Miami (MIA) to Chicago (ORD) flights
American Airlines, United Airlines fly nonstop from Miami International Airport to Chicago O'Hare International Airport, with about 74 flights a week in July 2026. The 1,197-mile flight takes about 3h 29m gate to gate.
- Distance
- 1,197 mi ยท 1,926 km
- Flight time
- 3h 29m
- Airlines
- 2
- Seats filled
- 85%
Airlines flying MIA to ORD
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| American Airlines | 54 | Boeing 737-800, Boeing 737 MAX 8, Airbus A321 | 445,240 | 3h 26m |
| United Airlines | 20 | Boeing 737-900ER, Boeing 737-800, Boeing 737 MAX 9 | 155,340 | 3h 37m |
| Spirit AirlinesCeased operations 2026-05-02 | n/a | Airbus A321, Airbus A320-100/200, Airbus A320neo | 50,396 | 3h 30m |
| Frontier AirlinesSeasonal or ended | n/a | Airbus A321, Airbus A320neo, Airbus A320-100/200 | 8,528 | 3h 36m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
MIA to ORD 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 10:05pm. 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 1891American Airlines | 5:00am | 7:34am | 27 | 96% |
| AA 581American Airlines | 7:26am | 10:00am | 31 | 86% |
| AA 2797American Airlines | 8:22am | 10:54am | 27 | 92% |
| AA 1431American Airlines | 8:28am | 10:59am | 4 | 91% |
| UA 1983United Airlines | 12:17pm | 2:48pm | 31 | 81% |
| AA 2910American Airlines | 12:22pm | 2:58pm | 4 | 73% |
| AA 2400American Airlines | 12:27pm | 3:05pm | 27 | 60% |
| AA 2247American Airlines | 2:37pm | 5:18pm | 4 | 66% |
| AA 835American Airlines | 3:12pm | 5:54pm | 27 | 44% |
| UA 2106United Airlines | 3:57pm | 6:30pm | 31 | 56% |
| AA 3056American Airlines | 5:00pm | 7:53pm | 4 | 63% |
| AA 3304American Airlines | 5:15pm | 8:03pm | 31 | 54% |
| UA 2311United Airlines | 5:32pm | 8:13pm | 10 | 32% |
| AA 2194American Airlines | 8:00pm | 10:31pm | 27 | 62% |
| AA 1881American Airlines | 8:54pm | 11:30pm | 4 | 51% |
| AA 2634American Airlines | 8:59pm | 11:30pm | 27 | 64% |
| AA 2323American Airlines | 9:50pm | 12:26am | 4 | 63% |
| AA 483American Airlines | 10:05pm | 12:35am | 27 | 78% |
Is MIA to ORD on time?
From September 2025 to August 2026, 71% of 4,464 flights arrived within 15 minutes of schedule and 1.9% were cancelled. Flights leaving around 6am were the most punctual (88%), those around 4pm the least (55%). Most delay time was caused by air traffic control and airport congestion (34%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| American Airlines | 3,044 | 73% | 22 min | 1.7% |
| United Airlines | 1,087 | 70% | 27 min | 1% |
| Spirit Airlines | 287 | 61% | 26 min | 7.3% |
| Frontier Airlines | 46 | 73% | 49 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 |
|---|---|---|---|
| 6am to 7am | 324 | 88% | |
| 7am to 8am | 192 | 84% | |
| 8am to 9am | 370 | 88% | |
| 9am to 10am | 334 | 86% | |
| 12pm to 1pm | 470 | 78% | |
| 1pm to 2pm | 146 | 75% | |
| 2pm to 3pm | 242 | 72% | |
| 3pm to 4pm | 359 | 59% | |
| 4pm to 5pm | 424 | 55% | |
| 5pm to 6pm | 458 | 55% | |
| 6pm to 7pm | 142 | 62% | |
| 7pm to 8pm | 153 | 59% | |
| 8pm to 9pm | 318 | 59% | |
| 9pm to 10pm | 176 | 71% | |
| 10pm to 11pm | 225 | 74% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 321 | 51,916 | |
| September 2025 | 312 | 45,300 | |
| October 2025 | 325 | 48,497 | |
| November 2025 | 339 | 48,611 | |
| December 2025 | 379 | 53,938 | |
| January 2026 | 400 | 61,110 | |
| February 2026 | 412 | 60,326 | |
| March 2026 | 468 | 73,563 | |
| April 2026 | 385 | 61,672 | |
| May 2026 | 352 | 54,942 | |
| June 2026 | 320 | 50,711 | |
| July 2026 | 328 | 49,199 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.