Chicago (ORD) to Miami (MIA) flights
American Airlines, United Airlines fly nonstop from Chicago O'Hare International Airport to Miami International Airport, with about 74 flights a week in July 2026. The 1,197-mile flight takes about 3h 8m gate to gate.
- Distance
- 1,197 mi ยท 1,926 km
- Flight time
- 3h 8m
- Airlines
- 2
- Seats filled
- 85%
Airlines flying ORD to MIA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| American Airlines | 54 | Boeing 737-800, Boeing 737 MAX 8, Airbus A321 | 446,438 | 3h 4m |
| United Airlines | 20 | Boeing 737-800, Boeing 737-900ER, Boeing 737 MAX 8 | 153,218 | 3h 18m |
| Spirit AirlinesCeased operations 2026-05-02 | n/a | Airbus A321, Airbus A320-100/200, Airbus A320neo | 53,235 | 3h 6m |
| Frontier AirlinesSeasonal or ended | n/a | Airbus A321, Airbus A320neo, Airbus A320-100/200 | 8,558 | 3h 19m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ORD to MIA flight schedule
18 flight numbers flew this route in August 2026, 11 of them almost daily. The first usually leaves at 5:00am and the last at 6:59pm. 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) |
|---|---|---|---|---|
| AA 2984American Airlines | 5:00am | 9:07am | 31 | 94% |
| AA 2452American Airlines | 6:00am | 10:07am | 27 | 96% |
| AA 1380American Airlines | 6:10am | 10:22am | 4 | 88% |
| AA 1875American Airlines | 6:59am | 11:10am | 27 | 87% |
| AA 835American Airlines | 6:59am | 11:12am | 4 | 74% |
| UA 1358United Airlines | 7:30am | 11:54am | 31 | 86% |
| AA 1250American Airlines | 8:37am | 12:50pm | 31 | 72% |
| AA 3056American Airlines | 9:55am | 2:08pm | 27 | 72% |
| AA 1474American Airlines | 10:05am | 2:18pm | 4 | 80% |
| UA 1620United Airlines | 10:32am | 2:54pm | 31 | 73% |
| AA 3148American Airlines | 2:29pm | 6:48pm | 4 | 49% |
| AA 1431American Airlines | 2:30pm | 6:47pm | 27 | 60% |
| AA 2910American Airlines | 4:05pm | 8:26pm | 4 | 37% |
| AA 2400American Airlines | 4:10pm | 8:28pm | 27 | 62% |
| AA 2323American Airlines | 5:59pm | 10:17pm | 27 | 63% |
| AA 2690American Airlines | 5:59pm | 10:20pm | 4 | 46% |
| UA 2180United Airlines | 6:05pm | 10:27pm | 10 | 67% |
| AA 1159American Airlines | 6:59pm | 11:11pm | 27 | 41% |
Is ORD to MIA on time?
From September 2025 to August 2026, 73% of 4,465 flights arrived within 15 minutes of schedule and 1.9% were cancelled. Flights leaving around 5am were the most punctual (94%), those around 4pm the least (53%). Most delay time was caused by late-arriving aircraft (41%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| American Airlines | 3,044 | 75% | 20 min | 1.8% |
| United Airlines | 1,088 | 74% | 18 min | 0.8% |
| Spirit Airlines | 287 | 56% | 32 min | 7.3% |
| Frontier Airlines | 46 | 64% | 43 min | 2.2% |
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 | 364 | 94% | |
| 6am to 7am | 369 | 88% | |
| 7am to 8am | 587 | 84% | |
| 8am to 9am | 415 | 76% | |
| 9am to 10am | 232 | 70% | |
| 10am to 11am | 639 | 73% | |
| 12pm to 1pm | 254 | 75% | |
| 2pm to 3pm | 297 | 63% | |
| 3pm to 4pm | 119 | 76% | |
| 4pm to 5pm | 283 | 53% | |
| 5pm to 6pm | 224 | 64% | |
| 6pm to 7pm | 339 | 53% | |
| 7pm to 8pm | 234 | 66% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 329 | 50,311 | |
| September 2025 | 313 | 45,280 | |
| October 2025 | 330 | 50,142 | |
| November 2025 | 335 | 51,188 | |
| December 2025 | 383 | 61,470 | |
| January 2026 | 395 | 58,618 | |
| February 2026 | 411 | 59,820 | |
| March 2026 | 472 | 74,287 | |
| April 2026 | 395 | 55,549 | |
| May 2026 | 350 | 53,916 | |
| June 2026 | 326 | 51,180 | |
| July 2026 | 329 | 49,839 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.