Southwest Airlines Flight Status
About Southwest Airlines
Southwest Airlines, based in United States, operates under the ICAO code SWA and the IATA code WN; its radio callsign is "Southwest". On this page you can follow Southwest Airlines flights and find the airports it serves.
How to read a Southwest Airlines flight number
Every Southwest Airlines flight number starts with WN, followed by up to four digits: that is the number on your booking confirmation and boarding pass. In flight plans the same flight carries the ICAO prefix SWA, and controllers address it as "Southwest". One thing to watch: codeshares. A ticket sold by another airline can be operated by Southwest Airlines and vice versa; live tracking follows the operating carrier's number, so if your search comes up empty, check the "operated by" line on your booking.
Southwest Airlines flights we tracked
Over the first 47 days of our own live tracking we logged 11890 aircraft movements operated by Southwest Airlines. These figures are refreshed weekly. Tracking data: adsb.lol · Route data: adsbdb.com.
Routes we tracked on Southwest Airlines
| # | Route | Tracked flights |
|---|---|---|
| 1 | San Diego (SAN) → Oakland (OAK) | 175 |
| 2 | San Diego (SAN) → San Jose (SJC) | 163 |
| 3 | San Jose (SJC) → San Diego (SAN) | 146 |
| 4 | Las Vegas (LAS) → Oakland (OAK) | 144 |
| 5 | Burbank (BUR) → Oakland (OAK) | 137 |
| 6 | Burbank (BUR) → San Jose (SJC) | 125 |
| 7 | San Jose (SJC) → Las Vegas (LAS) | 124 |
| 8 | Santa Ana (SNA) → Oakland (OAK) | 120 |
| 9 | Oakland (OAK) → Burbank (BUR) | 109 |
| 10 | Los Angeles (LAX) → Oakland (OAK) | 97 |
| 11 | Baltimore (BWI) → Boston (BOS) | 95 |
| 12 | San Jose (SJC) → Burbank (BUR) | 93 |
| 13 | Oakland (OAK) → Las Vegas (LAS) | 86 |
| 14 | San Jose (SJC) → Santa Ana (SNA) | 84 |
| 15 | San Jose (SJC) → Los Angeles (LAX) | 80 |
| 16 | Santa Ana (SNA) → San Jose (SJC) | 73 |
| 17 | Las Vegas (LAS) → San Jose (SJC) | 73 |
| 18 | Seattle (SEA) → Oakland (OAK) | 71 |
| 19 | San Jose (SJC) → Portland (PDX) | 70 |
| 20 | Long Beach (LGB) → Oakland (OAK) | 65 |
| 21 | Baltimore (BWI) → Albany (ALB) | 59 |
| 22 | Baltimore (BWI) → Manchester (MHT) | 59 |
| 23 | Boston (BOS) → Baltimore (BWI) | 59 |
| 24 | Ontario (ONT) → Oakland (OAK) | 56 |
| 25 | Burbank (BUR) → San Francisco (SFO) | 54 |
| 26 | Chicago (MDW) → Boston (BOS) | 54 |
| 27 | San Jose (SJC) → Denver (DEN) | 54 |
| 28 | Los Angeles (LAX) → San Jose (SJC) | 53 |
| 29 | Baltimore (BWI) → Portland (PWM) | 50 |
| 30 | Dallas (DAL) → New York (LGA) | 50 |
| 31 | Phoenix (PHX) → Oakland (OAK) | 49 |
| 32 | Orlando (MCO) → New Orleans (MSY) | 48 |
| 33 | San Jose (SJC) → Seattle (SEA) | 48 |
| 34 | San Diego (SAN) → San Francisco (SFO) | 47 |
| 35 | Philadelphia (PHL) → Chicago (MDW) | 46 |
| 36 | Nashville (BNA) → New York (LGA) | 46 |
| 37 | Denver (DEN) → Oakland (OAK) | 46 |
| 38 | Oakland (OAK) → Los Angeles (LAX) | 45 |
| 39 | Phoenix (PHX) → San Francisco (SFO) | 45 |
| 40 | Phoenix (PHX) → San Jose (SJC) | 44 |
| 41 | Seattle (SEA) → San Jose (SJC) | 44 |
| 42 | Denver (DEN) → San Francisco (SFO) | 44 |
| 43 | Los Angeles (LAX) → San Francisco (SFO) | 44 |
| 44 | Las Vegas (LAS) → San Francisco (SFO) | 43 |
| 45 | Chicago (MDW) → Orlando (MCO) | 43 |
| 46 | Portland (PDX) → Oakland (OAK) | 42 |
| 47 | San Francisco (SFO) → Las Vegas (LAS) | 42 |
| 48 | Ontario (ONT) → San Jose (SJC) | 42 |
| 49 | St Louis (STL) → New York (LGA) | 42 |
| 50 | Houston (HOU) → New York (LGA) | 42 |
| 51 | San Jose (SJC) → Phoenix (PHX) | 41 |
| 52 | Oakland (OAK) → Phoenix (PHX) | 41 |
| 53 | Albany (ALB) → Baltimore (BWI) | 40 |
| 54 | Providence (PVD) → Baltimore (BWI) | 39 |
| 55 | Baltimore (BWI) → Hartford (BDL) | 38 |
| 56 | Palm Springs (PSP) → Oakland (OAK) | 38 |
| 57 | Denver (DEN) → Austin (AUS) | 37 |
| 58 | Atlanta (ATL) → New York (LGA) | 36 |
| 59 | Boise (BOI) → Oakland (OAK) | 36 |
| 60 | San Francisco (SFO) → Burbank (BUR) | 35 |
| 61 | Boston (BOS) → St Louis (STL) | 35 |
| 62 | Denver (DEN) → San Jose (SJC) | 34 |
| 63 | Nashville (BNA) → Chicago (MDW) | 34 |
| 64 | Portland (PWM) → Baltimore (BWI) | 34 |
| 65 | San Jose (SJC) → Boise (BOI) | 34 |
| 66 | Oakland (OAK) → Portland (PDX) | 34 |
| 67 | Chicago (MDW) → Philadelphia (PHL) | 34 |
| 68 | Portland (PDX) → San Jose (SJC) | 34 |
| 69 | Hartford (BDL) → Baltimore (BWI) | 33 |
| 70 | San Jose (SJC) → Austin (AUS) | 33 |
| 71 | Chicago (MDW) → New Orleans (MSY) | 33 |
| 72 | Baltimore (BWI) → Providence (PVD) | 32 |
| 73 | St Louis (STL) → Boston (BOS) | 31 |
| 74 | Denver (DEN) → New York (LGA) | 31 |
| 75 | San Francisco (SFO) → San Diego (SAN) | 31 |
| 76 | Nashville (BNA) → Boston (BOS) | 31 |
| 77 | Oakland (OAK) → Santa Ana (SNA) | 30 |
| 78 | Oakland (OAK) → Ontario (ONT) | 29 |
| 79 | Phoenix (PHX) → Denver (DEN) | 29 |
| 80 | New York (LGA) → Chicago (MDW) | 29 |
| 81 | Boston (BOS) → Chicago (MDW) | 28 |
| 82 | Phoenix (PHX) → Dallas (DAL) | 28 |
| 83 | Denver (DEN) → Boston (BOS) | 27 |
| 84 | Orlando (MCO) → Chicago (MDW) | 27 |
| 85 | San Diego (SAN) → Las Vegas (LAS) | 27 |
| 86 | New York (LGA) → Atlanta (ATL) | 27 |
| 87 | Manchester (MHT) → Chicago (MDW) | 27 |
| 88 | Columbus (CMH) → Chicago (MDW) | 27 |
| 89 | Cincinnati / Covington (CVG) → Chicago (MDW) | 26 |
| 90 | Islip (ISP) → Baltimore (BWI) | 26 |
| 91 | Chicago (MDW) → St Louis (STL) | 26 |
| 92 | Boston (BOS) → Denver (DEN) | 26 |
| 93 | Nashville (BNA) → Philadelphia (PHL) | 26 |
| 94 | Washington (DCA) → Providence (PVD) | 26 |
| 95 | San Francisco (SFO) → Phoenix (PHX) | 25 |
| 96 | Manchester (MHT) → Baltimore (BWI) | 25 |
| 97 | Phoenix (PHX) → Austin (AUS) | 25 |
| 98 | Baltimore (BWI) → Cincinnati / Covington (CVG) | 25 |
| 99 | Oakland (OAK) → Seattle (SEA) | 25 |
| 100 | Oakland (OAK) → Palm Springs (PSP) | 25 |
| 101 | San Jose (SJC) → Ontario (ONT) | 24 |
| 102 | Las Vegas (LAS) → Bellingham (BLI) | 24 |
| 103 | Las Vegas (LAS) → Austin (AUS) | 24 |
| 104 | Salt Lake City (SLC) → Denver (DEN) | 24 |
| 105 | Ontario (ONT) → Las Vegas (LAS) | 24 |
| 106 | Nashville (BNA) → Dallas (DAL) | 24 |
| 107 | Dallas (DAL) → Chicago (MDW) | 24 |
| 108 | Denver (DEN) → Las Vegas (LAS) | 23 |
| 109 | St Louis (STL) → Chicago (MDW) | 23 |
| 110 | San Jose (SJC) → Honolulu (HNL) | 23 |
| 111 | Orlando (MCO) → Milwaukee (MKE) | 23 |
| 112 | Oakland (OAK) → San Diego (SAN) | 23 |
| 113 | Santa Ana (SNA) → Denver (DEN) | 22 |
| 114 | Baltimore (BWI) → Buffalo (BUF) | 22 |
| 115 | Chicago (MDW) → Minneapolis (MSP) | 22 |
| 116 | Philadelphia (PHL) → St Louis (STL) | 22 |
| 117 | San Diego (SAN) → Austin (AUS) | 22 |
| 118 | Oakland (OAK) → Houston (HOU) | 22 |
| 119 | Islip (ISP) → Nashville (BNA) | 22 |
| 120 | Las Vegas (LAS) → Phoenix (PHX) | 22 |
| 121 | Las Vegas (LAS) → Burbank (BUR) | 22 |
| 122 | Hartford (BDL) → Chicago (MDW) | 22 |
| 123 | Denver (DEN) → Chicago (ORD) | 21 |
| 124 | Chicago (MDW) → Louisville (SDF) | 21 |
| 125 | Long Beach (LGB) → San Jose (SJC) | 21 |
| 126 | San Jose (SJC) → Long Beach (LGB) | 21 |
| 127 | Atlanta (ATL) → Denver (DEN) | 21 |
| 128 | Baltimore (BWI) → Tampa (TPA) | 21 |
| 129 | Denver (DEN) → Nashville (BNA) | 21 |
| 130 | Reno (RNO) → Las Vegas (LAS) | 21 |
| 131 | San Jose (SJC) → Dallas (DAL) | 21 |
| 132 | Omaha (OMA) → Chicago (MDW) | 21 |
| 133 | New Orleans (MSY) → Dallas (DAL) | 21 |
| 134 | St Louis (STL) → Philadelphia (PHL) | 21 |
| 135 | Burbank (BUR) → Phoenix (PHX) | 21 |
| 136 | Las Vegas (LAS) → Denver (DEN) | 21 |
| 137 | Denver (DEN) → Orlando (MCO) | 21 |
| 138 | Orlando (MCO) → Baltimore (BWI) | 20 |
| 139 | New York (LGA) → Houston (HOU) | 20 |
| 140 | Austin (AUS) → Orlando (MCO) | 20 |
| 141 | San Francisco (SFO) → Los Angeles (LAX) | 20 |
| 142 | Atlanta (ATL) → New Orleans (MSY) | 20 |
| 143 | Chicago (MDW) → Washington (DCA) | 20 |
| 144 | Manchester (MHT) → Orlando (MCO) | 20 |
| 145 | Austin (AUS) → San Jose (SJC) | 19 |
| 146 | Austin (AUS) → New Orleans (MSY) | 19 |
| 147 | Nashville (BNA) → Tampa (TPA) | 19 |
| 148 | Philadelphia (PHL) → Nashville (BNA) | 19 |
| 149 | Washington (DCA) → Dallas (DAL) | 19 |
| 150 | Orlando (MCO) → Columbus (CMH) | 19 |
| 151 | Baltimore (BWI) → Las Vegas (LAS) | 19 |
| 152 | Dallas (DAL) → Houston (HOU) | 19 |
| 153 | Chicago (MDW) → Providence (PVD) | 19 |
| 154 | Orlando (MCO) → Manchester (MHT) | 19 |
| 155 | Chicago (MDW) → Albany (ALB) | 19 |
| 156 | Baltimore (BWI) → New Orleans (MSY) | 19 |
| 157 | Las Vegas (LAS) → Sacramento (SMF) | 19 |
| 158 | Buffalo (BUF) → Fort Myers (RSW) | 19 |
| 159 | Tampa (TPA) → Providence (PVD) | 18 |
| 160 | Baltimore (BWI) → Kansas City (MCI) | 18 |
| 161 | Austin (AUS) → Chicago (MDW) | 18 |
| 162 | Cleveland (CLE) → Baltimore (BWI) | 18 |
| 163 | St Louis (STL) → Dallas (DAL) | 18 |
| 164 | Houston (HOU) → Dallas (DAL) | 18 |
| 165 | Baltimore (BWI) → Denver (DEN) | 18 |
| 166 | Austin (AUS) → Oakland (OAK) | 18 |
| 167 | Phoenix (PHX) → Chicago (MDW) | 18 |
| 168 | Sacramento (SMF) → Las Vegas (LAS) | 18 |
| 169 | Chicago (MDW) → Columbus (CMH) | 18 |
| 170 | Oakland (OAK) → Reno (RNO) | 17 |
| 171 | Indianapolis (IND) → Fort Myers (RSW) | 17 |
| 172 | Kansas City (MCI) → Denver (DEN) | 17 |
| 173 | Los Angeles (LAX) → Las Vegas (LAS) | 17 |
| 174 | Chicago (MDW) → Hartford (BDL) | 17 |
| 175 | San Jose (SJC) → Kahului (OGG) | 17 |
| 176 | Baltimore (BWI) → Fort Lauderdale (FLL) | 17 |
| 177 | Chicago (MDW) → Cincinnati / Covington (CVG) | 17 |
| 178 | Chicago (MDW) → Pittsburgh (PIT) | 17 |
| 179 | Chicago (MDW) → Omaha (OMA) | 17 |
| 180 | Oakland (OAK) → Denver (DEN) | 16 |
| 181 | Albany (ALB) → Chicago (MDW) | 16 |
| 182 | St Louis (STL) → Tampa (TPA) | 16 |
| 183 | Las Vegas (LAS) → San Diego (SAN) | 16 |
| 184 | Baltimore (BWI) → New York (LGA) | 16 |
| 185 | Baltimore (BWI) → Syracuse (SYR) | 16 |
| 186 | Orlando (MCO) → Providence (PVD) | 16 |
| 187 | Phoenix (PHX) → Santa Ana (SNA) | 16 |
| 188 | Dallas (DAL) → Washington (DCA) | 16 |
| 189 | Boston (BOS) → Nashville (BNA) | 16 |
| 190 | New Orleans (MSY) → Chicago (MDW) | 16 |
| 191 | Tampa (TPA) → Chicago (ORD) | 16 |
| 192 | Chicago (MDW) → Oakland (OAK) | 16 |
| 193 | Denver (DEN) → Des Moines (DSM) | 16 |
| 194 | New Orleans (MSY) → Denver (DEN) | 16 |
| 195 | San Diego (SAN) → Sacramento (SMF) | 16 |
| 196 | San Diego (SAN) → Phoenix (PHX) | 16 |
| 197 | Denver (DEN) → Houston (IAH) | 16 |
| 198 | Chicago (MDW) → Baltimore (BWI) | 16 |
| 199 | Washington (DCA) → Chicago (MDW) | 16 |
| 200 | Atlanta (ATL) → Philadelphia (PHL) | 15 |
| 201 | Kahului (OGG) → Oakland (OAK) | 15 |
| 202 | San Jose (SJC) → Salt Lake City (SLC) | 15 |
| 203 | Nashville (BNA) → Detroit (DTW) | 15 |
| 204 | Burbank (BUR) → Las Vegas (LAS) | 15 |
| 205 | Houston (HOU) → Oakland (OAK) | 15 |
| 206 | Chicago (MDW) → New York (LGA) | 15 |
| 207 | Dallas (DAL) → Las Vegas (LAS) | 15 |
| 208 | Dallas (DAL) → New Orleans (MSY) | 15 |
| 209 | Baltimore (BWI) → Indianapolis (IND) | 14 |
| 210 | Tampa (TPA) → New Orleans (MSY) | 14 |
| 211 | San Jose (SJC) → Spokane (GEG) | 14 |
| 212 | Chicago (MDW) → Cleveland (CLE) | 14 |
| 213 | Albany (ALB) → Orlando (MCO) | 14 |
| 214 | Spokane (GEG) → San Jose (SJC) | 14 |
| 215 | New York (LGA) → Dallas (DAL) | 14 |
| 216 | Las Vegas (LAS) → Baltimore (BWI) | 14 |
| 217 | Las Vegas (LAS) → Kansas City (MCI) | 14 |
| 218 | Chicago (MDW) → Fort Lauderdale (FLL) | 14 |
| 219 | Fort Myers (RSW) → Chicago (MDW) | 14 |
| 220 | Sacramento (SMF) → Nashville (BNA) | 14 |
| 221 | Baltimore (BWI) → Charleston (CHS) | 13 |
| 222 | Portland (PDX) → Denver (DEN) | 13 |
| 223 | Oakland (OAK) → Long Beach (LGB) | 13 |
| 224 | New York (LGA) → Nashville (BNA) | 13 |
| 225 | St Louis (STL) → Phoenix (PHX) | 13 |
| 226 | Phoenix (PHX) → Baltimore (BWI) | 13 |
| 227 | Kansas City (MCI) → Dallas (DAL) | 13 |
| 228 | Washington (DCA) → New Orleans (MSY) | 13 |
| 229 | Denver (DEN) → Sacramento (SMF) | 13 |
| 230 | San Diego (SAN) → Baltimore (BWI) | 13 |
| 231 | St Louis (STL) → Denver (DEN) | 13 |
| 232 | Phoenix (PHX) → Chicago (ORD) | 13 |
| 233 | Atlanta (ATL) → St Louis (STL) | 13 |
| 234 | Jacksonville (JAX) → Baltimore (BWI) | 13 |
| 235 | Milwaukee (MKE) → Orlando (MCO) | 13 |
| 236 | Salt Lake City (SLC) → Oakland (OAK) | 13 |
| 237 | Chicago (MDW) → Dallas (DAL) | 13 |
| 238 | Atlanta (ATL) → Baltimore (BWI) | 13 |
| 239 | Chicago (MDW) → Las Vegas (LAS) | 13 |
| 240 | Tulsa (TUL) → Phoenix (PHX) | 13 |
| 241 | New Orleans (MSY) → Houston (HOU) | 12 |
| 242 | Fort Lauderdale (FLL) → Chicago (MDW) | 12 |
| 243 | Tampa (TPA) → Baltimore (BWI) | 12 |
| 244 | St Louis (STL) → Atlanta (ATL) | 12 |
| 245 | Santa Ana (SNA) → Phoenix (PHX) | 12 |
| 246 | Kahului (OGG) → San Jose (SJC) | 12 |
| 247 | Denver (DEN) → Portland (PDX) | 12 |
| 248 | New York (LGA) → St Louis (STL) | 12 |
| 249 | New Orleans (MSY) → Orlando (MCO) | 12 |
| 250 | Oklahoma City (OKC) → Washington (DCA) | 12 |
| 251 | Oakland (OAK) → Dallas (DAL) | 12 |
| 252 | Providence (PVD) → Chicago (MDW) | 12 |
| 253 | Baltimore (BWI) → Atlanta (ATL) | 12 |
| 254 | Philadelphia (PHL) → Denver (DEN) | 12 |
| 255 | Dallas (DAL) → Austin (AUS) | 12 |
| 256 | Las Vegas (LAS) → Long Beach (LGB) | 12 |
| 257 | Orlando (MCO) → Chicago (ORD) | 12 |
| 258 | Providence (PVD) → Orlando (MCO) | 12 |
| 259 | Baltimore (BWI) → Milwaukee (MKE) | 12 |
| 260 | Orlando (MCO) → Indianapolis (IND) | 12 |
| 261 | Dallas (DAL) → San Jose (SJC) | 12 |
| 262 | Norfolk (ORF) → Baltimore (BWI) | 12 |
| 263 | Orlando (MCO) → Atlanta (ATL) | 12 |
| 264 | Chicago (MDW) → Charleston (CHS) | 12 |
| 265 | Chicago (MDW) → San Jose (SJC) | 12 |
| 266 | Chicago (MDW) → Norfolk (ORF) | 12 |
| 267 | Manchester (MHT) → Tampa (TPA) | 12 |
| 268 | Milwaukee (MKE) → Phoenix (PHX) | 12 |
| 269 | Chicago (MDW) → Charlotte (CLT) | 11 |
| 270 | Nashville (BNA) → Fort Lauderdale (FLL) | 11 |
| 271 | Kansas City (MCI) → New York (LGA) | 11 |
| 272 | Columbus (CMH) → Sarasota/Bradenton (SRQ) | 11 |
| 273 | Phoenix (PHX) → Nashville (BNA) | 11 |
| 274 | Reno (RNO) → Oakland (OAK) | 11 |
| 275 | Baltimore (BWI) → Orlando (MCO) | 11 |
| 276 | Austin (AUS) → Ontario (ONT) | 11 |
| 277 | St Louis (STL) → Jacksonville (JAX) | 11 |
| 278 | Spokane (GEG) → Oakland (OAK) | 11 |
| 279 | Baltimore (BWI) → Raleigh/Durham (RDU) | 11 |
| 280 | Oakland (OAK) → Bellingham (BLI) | 11 |
| 281 | Tampa (TPA) → New York (LGA) | 11 |
| 282 | Denver (DEN) → Phoenix (PHX) | 11 |
| 283 | Louisville (SDF) → Tampa (TPA) | 11 |
| 284 | Burbank (BUR) → Denver (DEN) | 11 |
| 285 | Phoenix (PHX) → Sacramento (SMF) | 11 |
| 286 | Austin (AUS) → Sacramento (SMF) | 11 |
| 287 | Baltimore (BWI) → Dallas (DAL) | 11 |
| 288 | Austin (AUS) → San Diego (SAN) | 11 |
| 289 | Baltimore (BWI) → West Palm Beach (PBI) | 11 |
| 290 | Las Vegas (LAS) → Fresno (FAT) | 11 |
| 291 | Houston (HOU) → Denver (DEN) | 11 |
| 292 | Sacramento (SMF) → Burbank (BUR) | 11 |
| 293 | Orlando (MCO) → Hartford (BDL) | 11 |
| 294 | Denver (DEN) → Washington (IAD) | 11 |
| 295 | Phoenix (PHX) → Oklahoma City (OKC) | 11 |
| 296 | New Orleans (MSY) → Tampa (TPA) | 11 |
| 297 | Savannah (SAV) → Baltimore (BWI) | 11 |
| 298 | Atlanta (ATL) → Columbus (CMH) | 11 |
| 299 | Baltimore (BWI) → Jacksonville (JAX) | 11 |
| 300 | Long Beach (LGB) → Phoenix (PHX) | 11 |
Top 10 Southwest Airlines flights we tracked
| # | Flight | Route | Times seen |
|---|---|---|---|
| 1 | SWA300 | Hartford (BDL) → Chicago (MDW) | 17 |
| 2 | SWA1771 | Seattle (SEA) → San Jose (SJC) | 16 |
| 3 | SWA2222 | Las Vegas (LAS) → Oakland (OAK) | 15 |
| 4 | SWA107 | San Jose (SJC) → San Diego (SAN) | 14 |
| 5 | SWA3620 | Baltimore (BWI) → Boston (BOS) | 14 |
| 6 | SWA4303 | Sacramento (SMF) → Nashville (BNA) | 14 |
| 7 | SWA2192 | St Louis (STL) → Denver (DEN) | 13 |
| 8 | SWA2328 | Santa Ana (SNA) → San Jose (SJC) | 13 |
| 9 | SWA2362 | Seattle (SEA) → San Jose (SJC) | 13 |
| 10 | SWA2205 | Baltimore (BWI) → Denver (DEN) | 12 |
Frequently asked questions about Southwest Airlines
Where is my Southwest Airlines flight right now?
Search the flight number (WN plus digits) in the search box on this page. If the aircraft is airborne within receiver coverage, you will see its live status; before departure you will see the route.
Is my Southwest Airlines flight delayed or cancelled?
Check the flight number on this page for live status, but for rebooking, gate changes and cancellations the airline itself remains the authoritative source.
What do WN and SWA mean on Southwest Airlines flights?
They are two prefixes for the same airline. WN is the IATA code you see on tickets; SWA is the ICAO code used in flight plans and by air traffic control.
Does Southwest Airlines operate flights for other airlines?
Codeshare agreements mean a flight sold under another carrier's number may be operated by Southwest Airlines, and the reverse. Live tracking always follows the operating carrier's flight number; check the "operated by" line on your booking.