About United Airlines

United Airlines, based in United States, operates under the ICAO code UAL and the IATA code UA; its radio callsign is "United". On this page you can follow United Airlines flights and find the airports it serves.

How to read a United Airlines flight number

Every United Airlines flight number starts with UA, 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 UAL, and controllers address it as "United". One thing to watch: codeshares. A ticket sold by another airline can be operated by United 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.

United Airlines flights we tracked

Over the first 78 days of our own live tracking we logged 14074 aircraft movements operated by United Airlines. These figures are refreshed weekly. Tracking data: adsb.lol · Route data: adsbdb.com.

Routes we tracked on United Airlines

#RouteTracked flights
1Houston (IAH) → San Francisco (SFO)177
2New York (EWR) → San Francisco (SFO)154
3Los Angeles (LAX) → San Francisco (SFO)150
4Orlando (MCO) → New York (EWR)144
5Washington (IAD) → New York (EWR)139
6Denver (DEN) → San Francisco (SFO)135
7Houston (IAH) → New York (EWR)129
8Las Vegas (LAS) → San Francisco (SFO)127
9Fort Lauderdale (FLL) → New York (EWR)124
10Denver (DEN) → New York (EWR)122
11New York (EWR) → Atlanta (ATL)119
12Miami (MIA) → New York (EWR)108
13Fort Myers (RSW) → New York (EWR)108
14Los Angeles (LAX) → New York (EWR)101
15San Diego (SAN) → San Francisco (SFO)101
16San Francisco (SFO) → Houston (IAH)101
17San Francisco (SFO) → Denver (DEN)99
18Chicago (ORD) → San Francisco (SFO)98
19Washington (IAD) → San Francisco (SFO)97
20Philadelphia (PHL) → Chicago (ORD)96
21New York (EWR) → West Palm Beach (PBI)96
22Boston (BOS) → New York (EWR)96
23Chicago (ORD) → New York (EWR)92
24New York (EWR) → Houston (IAH)91
25Portland (PDX) → San Francisco (SFO)89
26New York (EWR) → Fort Lauderdale (FLL)83
27Boston (BOS) → Chicago (ORD)81
28San Francisco (SFO) → Chicago (ORD)73
29New York (LGA) → Houston (IAH)73
30New York (EWR) → Chicago (ORD)71
31West Palm Beach (PBI) → New York (EWR)71
32San Francisco (SFO) → Los Angeles (LAX)70
33New York (EWR) → Tampa (TPA)70
34Chicago (ORD) → Boston (BOS)69
35Washington (IAD) → Boston (BOS)69
36Chicago (ORD) → Philadelphia (PHL)68
37Seattle (SEA) → San Francisco (SFO)68
38New York (EWR) → Orlando (MCO)67
39Denver (DEN) → New York (LGA)67
40New York (EWR) → Denver (DEN)65
41Raleigh/Durham (RDU) → New York (EWR)64
42New York (EWR) → Fort Myers (RSW)63
43New York (EWR) → New Orleans (MSY)62
44Boston (BOS) → Houston (IAH)61
45Boston (BOS) → San Francisco (SFO)61
46New York (LGA) → Chicago (ORD)61
47Tampa (TPA) → New York (EWR)61
48Jacksonville (JAX) → New York (EWR)59
49Houston (IAH) → New York (LGA)59
50Hagåtña, Guam International Airport (GUM) → San Francisco (SFO)59
51San Francisco (SFO) → New York (EWR)57
52New York (LGA) → Denver (DEN)57
53London (LHR) → New York (EWR)57
54New York (EWR) → Boston (BOS)55
55San Francisco (SFO) → Boston (BOS)54
56Burbank (BUR) → San Francisco (SFO)54
57Honolulu (HNL) → San Francisco (SFO)53
58Denver (DEN) → Chicago (ORD)53
59Kailua-Kona (KOA) → San Francisco (SFO)53
60New York (EWR) → Miami (MIA)52
61New York (EWR) → Dallas-Fort Worth (DFW)52
62San Diego (SAN) → New York (EWR)51
63Las Vegas (LAS) → New York (EWR)51
64San Francisco (SFO) → Las Vegas (LAS)51
65New York (EWR) → London (LHR)51
66Chicago (ORD) → New York (LGA)51
67Dallas-Fort Worth (DFW) → New York (EWR)50
68New York (EWR) → Jacksonville (JAX)50
69Reno (RNO) → San Francisco (SFO)48
70Phoenix (PHX) → San Francisco (SFO)47
71Phoenix (PHX) → New York (EWR)47
72Kahului (OGG) → San Francisco (SFO)47
73New York (EWR) → Charleston (CHS)47
74Austin (AUS) → New York (EWR)46
75San Francisco (SFO) → Honolulu (HNL)45
76Denver (DEN) → Boston (BOS)44
77New York (EWR) → San Antonio (SAT)44
78San Jose (SJC) → Denver (DEN)43
79San Francisco (SFO) → Portland (PDX)43
80Chicago (ORD) → Albany (ALB)42
81New York (EWR) → Las Vegas (LAS)42
82Nashville (BNA) → New York (EWR)42
83New York (EWR) → Sarasota/Bradenton (SRQ)41
84Philadelphia (PHL) → Houston (IAH)40
85Charleston (CHS) → New York (EWR)40
86Denver (DEN) → Las Vegas (LAS)40
87Atlanta (ATL) → New York (EWR)39
88Washington (IAD) → Los Angeles (LAX)39
89Houston (IAH) → Boston (BOS)38
90Austin (AUS) → San Francisco (SFO)38
91Houston (IAH) → New Orleans (MSY)37
92Chicago (ORD) → Madison (MSN)37
93New York (EWR) → Austin (AUS)37
94San Francisco (SFO) → London (LHR)37
95Washington (IAD) → Denver (DEN)36
96Denver (DEN) → Austin (AUS)35
97Eugene (EUG) → San Francisco (SFO)35
98New York (EWR) → Charlotte (CLT)35
99Vancouver (YVR) → San Francisco (SFO)35
100San Francisco (SFO) → Austin (AUS)35
101Hartford (BDL) → Washington (IAD)34
102Washington (IAD) → Hartford (BDL)34
103Houston (IAH) → Philadelphia (PHL)34
104Los Angeles (LAX) → Chicago (ORD)34
105Los Angeles (LAX) → Washington (IAD)33
106San Francisco (SFO) → Mexico City (MEX)33
107San Francisco (SFO) → Nashville (BNA)33
108New York (EWR) → Minneapolis (MSP)32
109Tampa (TPA) → San Francisco (SFO)32
110Charlotte (CLT) → New York (EWR)32
111Houston (IAH) → Columbus (CMH)31
112Orlando (MCO) → Chicago (ORD)31
113Denver (DEN) → Tampa (TPA)30
114Detroit (DTW) → Chicago (ORD)30
115Santa Ana (SNA) → Houston (IAH)30
116Santa Ana (SNA) → New York (EWR)30
117Chicago (ORD) → Las Vegas (LAS)30
118San Diego (SAN) → Washington (IAD)30
119Los Angeles (LAX) → Denver (DEN)29
120Washington (IAD) → London (LHR)29
121San Diego (SAN) → Chicago (ORD)29
122Nashville (BNA) → Washington (IAD)29
123Burlington (BTV) → Chicago (ORD)29
124New York (EWR) → Los Angeles (LAX)28
125Minneapolis (MSP) → New York (EWR)28
126New Orleans (MSY) → San Francisco (SFO)28
127Las Vegas (LAS) → Houston (IAH)28
128San Francisco (SFO) → San Diego (SAN)28
129Cleveland (CLE) → Denver (DEN)28
130London (LHR) → San Francisco (SFO)28
131San Francisco (SFO) → Phoenix (PHX)27
132Portland (PDX) → Denver (DEN)27
133Las Vegas (LAS) → Chicago (ORD)26
134San Francisco (SFO) → New Orleans (MSY)26
135Madison (MSN) → Chicago (ORD)26
136New York (EWR) → Nashville (BNA)26
137San Francisco (SFO) → Seoul (ICN)26
138Ontario (ONT) → San Francisco (SFO)25
139San Francisco (SFO) → Reno (RNO)25
140Denver (DEN) → Houston (IAH)25
141Chicago (ORD) → New Delhi (DEL)25
142Boston (BOS) → Washington (IAD)24
143Denver (DEN) → Cleveland (CLE)24
144Chicago (ORD) → San Antonio (SAT)24
145San Francisco (SFO) → New York (JFK)24
146Denver (DEN) → Dallas-Fort Worth (DFW)23
147New Orleans (MSY) → New York (EWR)23
148Chicago (ORD) → Denver (DEN)23
149Jacksonville (JAX) → Chicago (ORD)23
150Orlando (MCO) → San Francisco (SFO)23
151Denver (DEN) → London (LHR)23
152Frankfurt am Main (FRA) → San Francisco (SFO)23
153Denver (DEN) → Los Angeles (LAX)22
154New York (EWR) → Cancún (CUN)22
155Hartford (BDL) → Chicago (ORD)22
156San Francisco (SFO) → Dallas-Fort Worth (DFW)22
157Houston (IAH) → Los Angeles (LAX)22
158Chicago (ORD) → Orlando (MCO)22
159Washington (IAD) → Portland (PDX)22
160San Francisco (SFO) → Frankfurt am Main (FRA)22
161Myrtle Beach (MYR) → New York (EWR)21
162Los Angeles (LAX) → Honolulu (HNL)21
163San Francisco (SFO) → Kahului (OGG)21
164Washington (IAD) → Raleigh/Durham (RDU)21
165Houston (IAH) → San Antonio (SAT)21
166Los Angeles (LAX) → Austin (AUS)21
167Sarasota/Bradenton (SRQ) → New York (EWR)21
168Denver (DEN) → Kansas City (MCI)20
169New York (EWR) → Savannah (SAV)20
170Redmond (RDM) → San Francisco (SFO)20
171San Francisco (SFO) → Vancouver (YVR)20
172Chicago (ORD) → Phoenix (PHX)20
173San Francisco (SFO) → Washington (IAD)20
174Houston (IAH) → Chicago (ORD)20
175Washington (DCA) → Houston (IAH)20
176Denver (DEN) → Orlando (MCO)20
177Oranjestad (AUA) → New York (EWR)19
178Boston (BOS) → Denver (DEN)19
179San Jose (SJC) → Chicago (ORD)19
180New York (EWR) → Phoenix (PHX)19
181New York (EWR) → Raleigh/Durham (RDU)19
182Denver (DEN) → Philadelphia (PHL)19
183Chicago (ORD) → Columbus (CMH)19
184Philadelphia (PHL) → Denver (DEN)19
185Chicago (ORD) → Houston (IAH)19
186Hong Kong (HKG) → San Francisco (SFO)19
187Cancún (CUN) → New York (EWR)18
188New York (EWR) → Edinburgh (EDI)18
189San Francisco (SFO) → Cancún (CUN)18
190Portland (PDX) → New York (EWR)18
191New York (EWR) → Portland (PDX)18
192New Orleans (MSY) → Chicago (ORD)18
193Columbus (CMH) → Denver (DEN)18
194Pittsburgh (PIT) → Denver (DEN)18
195Los Angeles (LAX) → Boston (BOS)18
196Seattle (SEA) → Washington (IAD)18
197Denver (DEN) → Albuquerque (ABQ)18
198New York (EWR) → Paris (CDG)18
199Mexico City (MEX) → San Francisco (SFO)18
200San Francisco (SFO) → Hong Kong (HKG)18
201Denver (DEN) → San Antonio (SAT)17
202San Antonio (SAT) → New York (EWR)17
203New York (EWR) → Mexico City (MEX)17
204Palm Springs (PSP) → San Francisco (SFO)17
205Denver (DEN) → Baltimore (BWI)17
206Bozeman (BZN) → New York (EWR)17
207Orlando (MCO) → Denver (DEN)17
208Santa Barbara (SBA) → San Francisco (SFO)17
209Houston (IAH) → Raleigh/Durham (RDU)17
210Medford (MFR) → San Francisco (SFO)17
211Denver (DEN) → Syracuse (SYR)17
212San Francisco (SFO) → Sydney (SYD)17
213Chicago (ORD) → London (LHR)17
214Washington (DCA) → Chicago (ORD)16
215Washington (IAD) → Dublin (DUB)16
216Santa Ana (SNA) → San Francisco (SFO)16
217Chicago (ORD) → Washington (DCA)16
218Washington (IAD) → San Antonio (SAT)16
219New Orleans (MSY) → Washington (IAD)16
220Charlotte (CLT) → Houston (IAH)16
221San Francisco (SFO) → Albuquerque (ABQ)16
222Seattle (SEA) → Chicago (ORD)16
223New York (EWR) → Myrtle Beach (MYR)16
224Boston (BOS) → Los Angeles (LAX)16
225Chicago (ORD) → Los Angeles (LAX)16
226San Francisco (SFO) → Orlando (MCO)16
227Chicago (ORD) → Portland (PDX)16
228Osaka (KIX) → San Francisco (SFO)16
229Austin (AUS) → Washington (IAD)16
230New York (EWR) → Lisbon (LIS)16
231San Francisco (SFO) → Taipei (TPE)16
232Bozeman (BZN) → San Francisco (SFO)15
233Santa Ana (SNA) → Chicago (ORD)15
234Chicago (ORD) → Pittsburgh (PIT)15
235Houston (IAH) → Santa Ana (SNA)15
236Las Vegas (LAS) → Los Angeles (LAX)15
237Savannah (SAV) → New York (EWR)15
238Portland (PDX) → Chicago (ORD)15
239San Jose (SJC) → Houston (IAH)15
240Honolulu (HNL) → New York (EWR)15
241Amsterdam (AMS) → San Francisco (SFO)15
242Cleveland (CLE) → Houston (IAH)15
243Tokyo (HND) → Los Angeles (LAX)15
244New York (EWR) → Rome (FCO)15
245Denver (DEN) → Tucson (TUS)15
246San Francisco (SFO) → Melbourne (MEL)15
247San Francisco (SFO) → Singapore (SIN)14
248New York (EWR) → Tocumen (PTY)14
249Denver (DEN) → Washington (IAD)14
250Denver (DEN) → Cincinnati / Covington (CVG)14
251Mérida (MID) → Houston (IAH)14
252New York (EWR) → Santo Domingo (SDQ)14
253Los Angeles (LAX) → Hong Kong (HKG)14
254New York (EWR) → San Juan (SJU)14
255Lihue (LIH) → San Francisco (SFO)14
256Cleveland (CLE) → Chicago (ORD)14
257Jackson (JAC) → San Francisco (SFO)14
258San Francisco (SFO) → Kailua-Kona (KOA)14
259San Diego (SAN) → Denver (DEN)14
260Salt Lake City (SLC) → San Francisco (SFO)14
261New Orleans (MSY) → Houston (IAH)14
262Chicago (ORD) → Cincinnati / Covington (CVG)14
263Washington (IAD) → San Diego (SAN)14
264Bogota (BOG) → New York (EWR)14
265Tokyo (HND) → San Francisco (SFO)14
266Tokyo (NRT) → San Francisco (SFO)14
267London (LHR) → Houston (IAH)14
268Charleston (CHS) → Denver (DEN)14
269Washington (IAD) → Frankfurt am Main (FRA)14
270Edinburgh (EDI) → New York (EWR)13
271San Francisco (SFO) → San José del Cabo (SJD)13
272Denver (DEN) → San Jose (SJC)13
273San Francisco (SFO) → Puerto Vallarta (PVR)13
274San Antonio (SAT) → San Francisco (SFO)13
275New York (EWR) → Anchorage (ANC)13
276Tokyo (HND) → New York (EWR)13
277New York (EWR) → Tokyo (HND)13
278Punta Cana (PUJ) → Chicago (ORD)13
279Kailua-Kona (KOA) → Denver (DEN)13
280Charlotte Amalie (STT) → New York (EWR)13
281San Francisco (SFO) → Indianapolis (IND)13
282Dublin (DUB) → New York (EWR)13
283Fort Myers (RSW) → Chicago (ORD)13
284Los Angeles (LAX) → London (LHR)13
285London (LHR) → Washington (IAD)13
286San Francisco (SFO) → Amsterdam (AMS)13
287West Palm Beach (PBI) → Chicago (ORD)13
288San Juan (SJU) → New York (EWR)12
289Honolulu (HNL) → Los Angeles (LAX)12
290New York (EWR) → Barcelona (BCN)12
291Washington (IAD) → Sacramento (SMF)12
292New York (EWR) → Santa Ana (SNA)12
293Hong Kong (HKG) → Los Angeles (LAX)12
294Chicago (ORD) → Richmond (RIC)12
295San Francisco (SFO) → Cleveland (CLE)12
296Washington (IAD) → Seattle (SEA)12
297Houston (IAH) → Cincinnati / Covington (CVG)12
298San Francisco (SFO) → Munich (MUC)12
299Las Vegas (LAS) → Washington (IAD)12
300Phoenix (PHX) → Denver (DEN)12

Top 10 United Airlines flights we tracked

#FlightRouteTimes seen
1UAL574Las Vegas (LAS) → San Francisco (SFO)28
2UAL444Nashville (BNA) → Washington (IAD)27
3UAL1007Chicago (ORD) → Albany (ALB)26
4UAL368New York (EWR) → Fort Lauderdale (FLL)26
5UAL755Washington (IAD) → Boston (BOS)26
6UAL1799Miami (MIA) → New York (EWR)24
7UAL1561San Francisco (SFO) → Portland (PDX)22
8UAL821San Francisco (SFO) → Mexico City (MEX)22
9UAL1372San Francisco (SFO) → Las Vegas (LAS)21
10UAL2610Washington (IAD) → Portland (PDX)21

Frequently asked questions about United Airlines

Where is my United Airlines flight right now?

Search the flight number (UA 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 United 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 UA and UAL mean on United Airlines flights?

They are two prefixes for the same airline. UA is the IATA code you see on tickets; UAL is the ICAO code used in flight plans and by air traffic control.

Does United Airlines operate flights for other airlines?

Codeshare agreements mean a flight sold under another carrier's number may be operated by United Airlines, and the reverse. Live tracking always follows the operating carrier's flight number; check the "operated by" line on your booking.