Chicago (ORD) to Pittsburgh (PIT) flights
Republic Airline, United Airlines, American Airlines, SkyWest Airlines fly nonstop from Chicago O'Hare International Airport to Pittsburgh International Airport, with about 85 flights a week in July 2026. The 413-mile flight takes about 1h 34m gate to gate.
- Distance
- 413 mi · 665 km
- Flight time
- 1h 34m
- Airlines
- 4
- Seats filled
- 72%
Airlines flying ORD to PIT
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Republic Airline | 37 | Embraer E175, Embraer E170 | 95,360 | 1h 34m |
| United Airlines | 27 | Airbus A320-100/200, Boeing 737-800, Airbus A319 | 142,239 | 1h 35m |
| American Airlines | 14 | Airbus A319, Boeing 737-800, Airbus A320-100/200 | 51,541 | 1h 30m |
| SkyWest Airlines | 7 | Embraer E175, Bombardier CRJ700, Bombardier CRJ550 | 13,378 | 1h 43m |
| Envoy AirSeasonal or ended | n/a | Embraer E175, Embraer E170 | 11,338 | 1h 33m |
| GoJet AirlinesSeasonal or ended | n/a | Bombardier CRJ550 | 840 | 1h 36m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ORD to PIT flight schedule
18 flight numbers flew this route in August 2026, 11 of them almost daily. The first usually leaves at 7:10am and the last at 9:25pm. 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) |
|---|---|---|---|---|
| UA 1285United Airlines | 7:10am | 9:49am | 31 | 87% |
| AA 4467American Airlines · operated by Republic Airline | 9:05am | 11:54am | 27 | 86% |
| UA 2771United Airlines | 10:30am | 1:14pm | 10 | 74% |
| UA 567United Airlines | 10:36am | 1:15pm | 21 | 74% |
| AA 555American Airlines | 12:30pm | 3:09pm | 4 | 63% |
| AA 1173American Airlines | 12:39pm | 3:16pm | 27 | 70% |
| UA 3432United Airlines · operated by Republic Airline | 12:47pm | 3:25pm | 29 | 83% |
| UA 1349United Airlines | 2:30pm | 5:13pm | 31 | 68% |
| UA 5584United Airlines · operated by SkyWest Airlines | 3:46pm | 6:35pm | 10 | 61% |
| UA 3512United Airlines · operated by Republic Airline | 4:30pm | 7:11pm | 19 | 67% |
| AA 1737American Airlines | 5:29pm | 8:04pm | 27 | 40% |
| AA 2296American Airlines | 5:30pm | 8:09pm | 4 | 47% |
| UA 1946United Airlines | 6:05pm | 8:47pm | 31 | 59% |
| AA 4569American Airlines · operated by Republic Airline | 6:29pm | 9:16pm | 4 | 71% |
| AA 4402American Airlines · operated by Republic Airline | 7:00pm | 9:44pm | 27 | 77% |
| AA 4539American Airlines · operated by Republic Airline | 9:08pm | 11:52pm | 4 | 78% |
| AA 4527American Airlines · operated by Republic Airline | 9:15pm | 11:59pm | 27 | 54% |
| UA 3464United Airlines · operated by Republic Airline | 9:25pm | 12:10am | 31 | 77% |
Is ORD to PIT on time?
From September 2025 to August 2026, 74% of 4,050 flights arrived within 15 minutes of schedule and 2.3% were cancelled. Flights leaving around 7am were the most punctual (87%), those around 6pm the least (64%). Most delay time was caused by late-arriving aircraft (50%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 2,205 | 76% | 19 min | 2.2% |
| American Airlines | 1,845 | 71% | 28 min | 2.4% |
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 |
|---|---|---|---|
| 7am to 8am | 352 | 87% | |
| 8am to 9am | 212 | 85% | |
| 9am to 10am | 238 | 84% | |
| 10am to 11am | 371 | 77% | |
| 12pm to 1pm | 403 | 80% | |
| 1pm to 2pm | 103 | 78% | |
| 2pm to 3pm | 455 | 71% | |
| 3pm to 4pm | 315 | 70% | |
| 5pm to 6pm | 179 | 55% | |
| 6pm to 7pm | 614 | 64% | |
| 7pm to 8pm | 92 | 78% | |
| 8pm to 9pm | 84 | 49% | |
| 9pm to 10pm | 518 | 75% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 337 | 30,581 | |
| September 2025 | 347 | 27,643 | |
| October 2025 | 373 | 31,683 | |
| November 2025 | 316 | 24,976 | |
| December 2025 | 306 | 22,008 | |
| January 2026 | 264 | 18,858 | |
| February 2026 | 261 | 20,536 | |
| March 2026 | 288 | 24,045 | |
| April 2026 | 341 | 25,419 | |
| May 2026 | 400 | 28,644 | |
| June 2026 | 357 | 29,411 | |
| July 2026 | 377 | 31,332 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.