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Route

Atlanta → Milwaukee

ATLAtlantaHartsfield Jackson Atlanta International Airport
MKEMilwaukeeGeneral Mitchell International Airport
Distance
670 mi
Estimated flight time
~1h 50m

Milwaukee is currently 1 hour behind Atlanta.

Observed nonstop

View the reverse route

How often does this route fly?

Frequency

Several times a day

On average around 6 flights a day, observed from October 2025 to September 2026.

6
flights per day
7
busiest month · May
5
quietest month · Dec
1 hr 35 min
measured flight time
12 / 12
months seen

Through the year

Per day, month by month

  1. 5Jan2026
  2. 5.5Feb
  3. 5.5Mar
  4. 6Apr
  5. 7May
  6. 6Jun
  7. 6Jul
  8. 6Aug
  9. 6Sep
  10. 6Oct2025
  11. 6Nov
  12. 5Dec

Airlines

Who flies it

Delta Air Linesall year
Frontier Airlineswinter
Southwest Airlinesnow and then

Through the day

Departure times

Local time in Atlanta. Most departures between 08:00 and 11:00.

  1. 00:00
  2. 01:00
  3. 02:00
  4. 03:00
  5. 04:00
  6. 05:00
  7. 06:00
  8. 07:00
  9. 08:00
  10. 09:00
  11. 10:00
  12. 11:00
  13. 12:00
  14. 13:00
  15. 14:00
  16. 15:00
  17. 16:00
  18. 17:00
  19. 18:00
  20. 19:00
  21. 20:00
  22. 21:00
  23. 22:00
  24. 23:00

Through the week

By weekday

  1. 6.4Mon
  2. 5.4Tue
  3. 5.4Wed
  4. 5.9Thu
  5. 6.6Fri
  6. 5.5Sat
  7. 5.5Sun

Fleet

Aircraft observed

  1. Boeing 737-900B73942%
  2. Boeing 737-800B73822%
  3. Airbus A321A32121%
  4. Airbus A320A32010%
  5. Boeing 717B7122%
All the numbers in a table
MonthPer daySeenAirlines
January 20265154
  • Delta Air Lines145×
  • Frontier Airlines9×
February 20265.5166
  • Delta Air Lines155×
  • Frontier Airlines8×
  • Southwest Airlines2×
March 20265.5170
  • Delta Air Lines161×
  • Frontier Airlines8×
April 20266171
  • Delta Air Lines163×
  • Frontier Airlines8×
May 20267194
  • Delta Air Lines180×
  • Frontier Airlines14×
June 20266190
  • Delta Air Lines180×
  • Frontier Airlines9×
July 20266186
  • Delta Air Lines183×
August 20266181
  • Delta Air Lines181×
September 20266173
  • Delta Air Lines171×
October 20256189
  • Delta Air Lines188×
November 20256164
  • Delta Air Lines164×
December 20255157
  • Delta Air Lines153×
  • Frontier Airlines3×
  • Southwest Airlines1×

Airlines observed on this route

From observed callsign routes on ATL-MKE - not a booking guarantee.

Delta Air Lines

DL · DAL

Hub: ATL Atlanta

221 departure airportsView airline →

Frontier Airlines

F9 · FFT

Hub: DEN Denver

91 departure airportsView airline →

Southwest Airlines

WN · SWA

Hub: DEN Denver

117 departure airportsView airline →

About this route

  • Domestic route: both airports are in the same country.
  • The opposite direction has also been observed as a direct connection.
  • Direct destinations observed from Atlanta: 203.
  • Direct destinations observed from Milwaukee: 88.

The airports on this route

Hartsfield Jackson Atlanta International Airport

Atlanta, United StatesATL / KATL

International hub · 203 direct destinations · 5 runways · longest runway 12,388 ft

83 °F · Partly cloudySource: METAR observation via the NOAA Aviation Weather Center

Airport pageAll direct destinations

General Mitchell International Airport

Milwaukee, United StatesMKE / KMKE

Regional airport · 88 direct destinations · 5 runways · longest runway 9,990 ft

54 °F · CloudySource: METAR observation via the NOAA Aviation Weather Center

Airport pageAll direct destinations

Alternative airports for this journey

Same journey, a different airport nearby - with an observed direct connection.

ATL ORDChicago O'Hare International AirportChicago is about 67 mi from Milwaukee.View route →ATL MSNDane County Regional Truax FieldMadison is about 74 mi from Milwaukee.View route →ATL RFDChicago Rockford International AirportChicago is about 80 mi from Milwaukee.View route →ATL MDWChicago Midway International AirportChicago is about 81 mi from Milwaukee.View route →

About the route from Atlanta to Milwaukee

The observed direct connection between Hartsfield Jackson Atlanta International Airport (ATL) and General Mitchell International Airport (MKE) covers approximately 670 mi. The estimated flight time is around 1h 50m. Delta Air Lines, Frontier Airlines and Southwest Airlines have been observed on this connection in the available route data.

Frequently asked questions about this route

How far is Atlanta from Milwaukee by air?
The great-circle distance between Hartsfield Jackson Atlanta International Airport and General Mitchell International Airport is approximately 670 mi.
How long is the flight from Atlanta to Milwaukee?
Based on the distance, the estimated flight time is about 1h 50m. This is an estimate, not a schedule.
Is there a direct connection from Atlanta to Milwaukee?
Yes, a direct connection between ATL and MKE has been observed in our route data.
Which airlines have been observed on this route?
In the available route data: Delta Air Lines, Frontier Airlines and Southwest Airlines.
How often is there a flight from Atlanta to Milwaukee?
On average around 6 flights a day, measured over twelve months (October 2025 to September 2026) in the flight archive, with 2,095 observed flights. Mainly Delta Air Lines, Frontier Airlines, Southwest Airlines. That is an observation, not a timetable.
What is the current time difference between Atlanta and Milwaukee?
Milwaukee is currently 1 hour behind Atlanta.

Where this data comes from

The route data comes from the flight archive (ADS-B, adsb.lol): which connections actually flew over the last twelve full months and who flew them, combined with our own airport, runway, and airline datasets. It is reference data about observed routes - not a current timetable and no claim about bookability.

The frequency and aircraft on this page come from the flight archive (ADS-B, 12 months, October 2025 to September 2026), summarized per route per month. We do not see every flight, so it is a floor, not a count.

Route data updated on October 11, 2026.