Denver (DEN) to Pittsburgh (PIT) flights
Southwest Airlines, United Airlines fly nonstop from Denver International Airport to Pittsburgh International Airport, with about 34 flights a week in July 2026. The 1,290-mile flight takes about 2h 58m gate to gate.
- Distance
- 1,290 mi · 2,076 km
- Flight time
- 2h 58m
- Airlines
- 2
- Seats filled
- 80%
Airlines flying DEN to PIT
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 20 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 102,620 | 2h 54m |
| United Airlines | 14 | Boeing 737-900ER, Boeing 737-800, Airbus A319 | 118,446 | 3h 1m |
| Frontier AirlinesSeasonal or ended | n/a | Airbus A321, Airbus A320neo | 6,392 | 2h 55m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DEN to PIT flight schedule
9 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 9:40am and the last at 6:00pm. 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 1308United Airlines | 9:40am | 2:44pm | 31 | 84% |
| WN 1381Southwest Airlines | 11:00am | 4:00pm | 12 | 100% |
| WN 170Southwest Airlines | 11:05am | 4:05pm | 12 | 75% |
| WN 2685Southwest Airlines | 11:20am | 4:20pm | 4 | n/a |
| WN 965Southwest Airlines | 2:15pm | 7:15pm | 12 | 67% |
| WN 1466Southwest Airlines | 3:20pm | 8:15pm | 4 | n/a |
| UA 2155United Airlines | 5:38pm | 10:45pm | 31 | 65% |
| WN 4720Southwest Airlines | 5:55pm | 11:05pm | 16 | 33% |
| WN 222Southwest Airlines | 6:00pm | 11:10pm | 12 | 36% |
Is DEN to PIT on time?
From September 2025 to August 2026, 74% of 1,622 flights arrived within 15 minutes of schedule and 0.5% were cancelled. Flights leaving around 11am were the most punctual (85%), those around 7pm the least (51%). Most delay time was caused by late-arriving aircraft (55%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 819 | 81% | 12 min | 0.5% |
| Southwest Airlines | 768 | 65% | 21 min | 0.5% |
| Frontier Airlines | 35 | 100% | 1 min | 0% |
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 |
|---|---|---|---|
| 9am to 10am | 87 | 85% | |
| 10am to 11am | 555 | 82% | |
| 11am to 12pm | 96 | 85% | |
| 1pm to 2pm | 42 | 79% | |
| 2pm to 3pm | 103 | 81% | |
| 3pm to 4pm | 62 | 50% | |
| 4pm to 5pm | 35 | 66% | |
| 5pm to 6pm | 394 | 72% | |
| 6pm to 7pm | 117 | 60% | |
| 7pm to 8pm | 92 | 51% | |
| 8pm to 9pm | 38 | 53% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 176 | 25,760 | |
| September 2025 | 168 | 23,836 | |
| October 2025 | 178 | 24,822 | |
| November 2025 | 158 | 19,675 | |
| December 2025 | 138 | 17,033 | |
| January 2026 | 103 | 13,266 | |
| February 2026 | 92 | 12,011 | |
| March 2026 | 122 | 16,008 | |
| April 2026 | 117 | 15,886 | |
| May 2026 | 120 | 16,551 | |
| June 2026 | 143 | 21,093 | |
| July 2026 | 151 | 21,670 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.