Pittsburgh (PIT) to Chicago (ORD) flights
Republic Airline, United Airlines, American Airlines, SkyWest Airlines fly nonstop from Pittsburgh International Airport to Chicago O'Hare International Airport, with about 85 flights a week in July 2026. The 413-mile flight takes about 1h 49m gate to gate.
- Distance
- 413 mi · 665 km
- Flight time
- 1h 49m
- Airlines
- 4
- Seats filled
- 74%
Airlines flying PIT to ORD
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Republic Airline | 39 | Embraer E175, Embraer E170 | 100,326 | 1h 48m |
| United Airlines | 27 | Airbus A320-100/200, Boeing 737-800, Airbus A319 | 148,116 | 1h 48m |
| American Airlines | 14 | Airbus A319, Boeing 737-800, Airbus A320-100/200 | 49,292 | 1h 51m |
| SkyWest Airlines | 6 | Embraer E175, Bombardier CRJ700, Bombardier CRJ550 | 11,752 | 1h 56m |
| Envoy AirSeasonal or ended | n/a | Embraer E175, Embraer E170 | 12,056 | 1h 45m |
| GoJet AirlinesSeasonal or ended | n/a | Bombardier CRJ550 | 688 | 1h 49m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
PIT to ORD flight schedule
21 flight numbers flew this route in August 2026, 11 of them almost daily. The first usually leaves at 6:05am and the last at 8:59pm. 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 4509American Airlines · operated by Republic Airline | 6:05am | 6:56am | 26 | 96% |
| AA 4427American Airlines · operated by Republic Airline | 6:23am | 7:21am | 4 | 88% |
| UA 1803United Airlines | 7:00am | 7:43am | 21 | 88% |
| UA 2218United Airlines | 7:00am | 7:48am | 10 | 85% |
| AA 4625American Airlines · operated by Republic Airline | 8:02am | 9:00am | 4 | 92% |
| UA 3461United Airlines · operated by Republic Airline | 8:45am | 9:34am | 31 | 88% |
| AA 4480American Airlines · operated by Republic Airline | 9:55am | 10:42am | 4 | 85% |
| AA 4539American Airlines · operated by Republic Airline | 10:17am | 11:10am | 27 | 89% |
| UA 455United Airlines | 10:45am | 11:29am | 31 | 86% |
| AA 4457American Airlines · operated by Republic Airline | 11:21am | 12:14pm | 27 | 81% |
| UA 2180United Airlines | 2:11pm | 2:55pm | 31 | 72% |
| AA 555American Airlines | 3:59pm | 4:50pm | 4 | 65% |
| AA 1173American Airlines | 4:06pm | 4:59pm | 27 | 50% |
| UA 3662United Airlines · operated by Republic Airline | 4:10pm | 5:01pm | 8 | 73% |
| UA 3577United Airlines · operated by Republic Airline | 4:11pm | 5:00pm | 21 | 82% |
| UA 602United Airlines | 6:09pm | 6:59pm | 21 | 53% |
| UA 1494United Airlines | 6:16pm | 7:05pm | 10 | 61% |
| UA 5588United Airlines · operated by SkyWest Airlines | 7:40pm | 8:37pm | 10 | 69% |
| UA 3591United Airlines · operated by Republic Airline | 7:52pm | 8:44pm | 19 | 61% |
| AA 2296American Airlines | 8:49pm | 9:50pm | 4 | 52% |
| AA 1737American Airlines | 8:59pm | 10:00pm | 27 | 48% |
Is PIT to ORD on time?
From September 2025 to August 2026, 77% of 4,052 flights arrived within 15 minutes of schedule and 2.3% were cancelled. Flights leaving around 6am were the most punctual (90%), those around 5pm the least (59%). Most delay time was caused by air traffic control and airport congestion (41%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 2,206 | 78% | 23 min | 2.4% |
| American Airlines | 1,846 | 76% | 24 min | 2.1% |
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 | 360 | 90% | |
| 7am to 8am | 415 | 87% | |
| 8am to 9am | 537 | 86% | |
| 9am to 10am | 190 | 83% | |
| 10am to 11am | 352 | 86% | |
| 11am to 12pm | 270 | 84% | |
| 12pm to 1pm | 117 | 80% | |
| 2pm to 3pm | 370 | 73% | |
| 3pm to 4pm | 207 | 72% | |
| 4pm to 5pm | 276 | 74% | |
| 5pm to 6pm | 294 | 59% | |
| 6pm to 7pm | 201 | 56% | |
| 7pm to 8pm | 273 | 65% | |
| 8pm to 9pm | 132 | 52% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 333 | 28,519 | |
| September 2025 | 345 | 28,822 | |
| October 2025 | 371 | 31,215 | |
| November 2025 | 317 | 25,868 | |
| December 2025 | 304 | 23,710 | |
| January 2026 | 260 | 18,937 | |
| February 2026 | 259 | 21,852 | |
| March 2026 | 289 | 24,433 | |
| April 2026 | 342 | 26,637 | |
| May 2026 | 396 | 30,600 | |
| June 2026 | 358 | 29,682 | |
| July 2026 | 378 | 31,955 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.