Miami (MIA) to Atlanta (ATL) flights
Delta Air Lines, American Airlines, Frontier Airlines, Envoy Air fly nonstop from Miami International Airport to Hartsfield Jackson Atlanta International Airport, with about 122 flights a week in July 2026. The 594-mile flight takes about 2h 2m gate to gate.
- Distance
- 594 mi · 956 km
- Flight time
- 2h 2m
- Airlines
- 4
- Seats filled
- 84%
Airlines flying MIA to ATL
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Delta Air Lines | 65 | Boeing 757-200, Airbus A321, Boeing 767-400/ER | 559,209 | 2h 0m |
| American Airlines | 36 | Boeing 737-800, Airbus A319, Airbus A321 | 193,528 | 2h 0m |
| Frontier Airlines | 21 | Airbus A320neo, Airbus A321, Airbus A320-100/200 | 142,218 | 2h 17m |
| Envoy Air | <1 | Embraer E175 | 14,542 | 2h 0m |
| Spirit AirlinesCeased operations 2026-05-02 | n/a | Airbus A321, Airbus A320-100/200, Airbus A320neo | 36,767 | 1h 58m |
| Republic AirlineSeasonal or ended | n/a | Embraer E175 | 3,159 | 2h 2m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
MIA to ATL flight schedule
21 flight numbers flew this route in August 2026, 15 of them almost daily. The first usually leaves at 6:00am and the last at 9:56pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| DL 1249Delta Air Lines | 6:00am | 8:02am | 31 | 93% |
| DL 1211Delta Air Lines | 7:00am | 9:00am | 31 | 93% |
| AA 1046American Airlines | 7:39am | 9:44am | 27 | 91% |
| AA 512American Airlines | 7:45am | 9:48am | 4 | 87% |
| DL 1261Delta Air Lines | 8:25am | 10:25am | 31 | 93% |
| F9 2483Frontier Airlines | 8:30am | 10:50am | 31 | 81% |
| DL 2836Delta Air Lines | 10:35am | 12:41pm | 30 | 87% |
| F9 3059Frontier Airlines | 11:10am | 1:22pm | 31 | 75% |
| DL 1510Delta Air Lines | 12:05pm | 2:15pm | 31 | 84% |
| AA 2018American Airlines | 12:13pm | 2:18pm | 27 | 58% |
| DL 1332Delta Air Lines | 2:08pm | 4:12pm | 31 | 74% |
| AA 1368American Airlines | 3:57pm | 6:02pm | 15 | 62% |
| DL 1579Delta Air Lines | 3:59pm | 6:18pm | 31 | 67% |
| AA 1367American Airlines | 4:00pm | 6:07pm | 4 | 42% |
| AA 698American Airlines | 5:00pm | 7:05pm | 10 | 30% |
| F9 4405Frontier Airlines | 5:28pm | 8:00pm | 31 | 55% |
| DL 1386Delta Air Lines | 6:03pm | 8:19pm | 31 | 58% |
| AA 1045American Airlines | 7:45pm | 9:56pm | 28 | 59% |
| DL 1323Delta Air Lines | 7:45pm | 10:00pm | 18 | 60% |
| AA 3261American Airlines | 9:52pm | 11:55pm | 27 | 56% |
| AA 659American Airlines | 9:56pm | 11:59pm | 4 | 62% |
Is MIA to ATL on time?
From September 2025 to August 2026, 74% of 6,271 flights arrived within 15 minutes of schedule and 1.6% were cancelled. Flights leaving around 6am were the most punctual (95%), those around 6pm the least (53%). Most delay time was caused by late-arriving aircraft (39%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 3,322 | 78% | 19 min | 1.8% |
| American Airlines | 1,780 | 70% | 26 min | 0.7% |
| Frontier Airlines | 933 | 70% | 26 min | 1.8% |
| Spirit Airlines | 236 | 75% | 17 min | 4.7% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 5am to 6am | 221 | 90% | |
| 6am to 7am | 371 | 95% | |
| 7am to 8am | 560 | 90% | |
| 8am to 9am | 663 | 87% | |
| 10am to 11am | 426 | 86% | |
| 11am to 12pm | 154 | 78% | |
| 12pm to 1pm | 499 | 81% | |
| 1pm to 2pm | 190 | 79% | |
| 2pm to 3pm | 325 | 72% | |
| 3pm to 4pm | 347 | 67% | |
| 4pm to 5pm | 486 | 62% | |
| 5pm to 6pm | 332 | 59% | |
| 6pm to 7pm | 451 | 53% | |
| 7pm to 8pm | 560 | 61% | |
| 8pm to 9pm | 146 | 53% | |
| 9pm to 10pm | 445 | 64% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 496 | 72,612 | |
| September 2025 | 421 | 64,376 | |
| October 2025 | 487 | 75,112 | |
| November 2025 | 489 | 77,110 | |
| December 2025 | 576 | 83,288 | |
| January 2026 | 548 | 83,347 | |
| February 2026 | 491 | 74,931 | |
| March 2026 | 551 | 87,766 | |
| April 2026 | 573 | 85,931 | |
| May 2026 | 554 | 84,097 | |
| June 2026 | 486 | 78,599 | |
| July 2026 | 541 | 82,320 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.