Chicago (ORD) to Denver (DEN) flights
United Airlines, American Airlines, Frontier Airlines fly nonstop from Chicago O'Hare International Airport to Denver International Airport, with about 122 flights a week in July 2026. The 888-mile flight takes about 2h 45m gate to gate.
- Distance
- 888 mi · 1,429 km
- Flight time
- 2h 45m
- Airlines
- 3
- Seats filled
- 85%
Airlines flying ORD to DEN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 82 | Airbus A321, Boeing 737-900ER, Boeing 757-300 | 680,565 | 2h 45m |
| American Airlines | 34 | Boeing 737-800, Airbus A319, Boeing 737 MAX 8 | 185,679 | 2h 42m |
| Frontier Airlines | 6 | Airbus A321, Airbus A320neo, Airbus A320-100/200 | 62,459 | 2h 51m |
| SkyWest AirlinesSeasonal or ended | n/a | Embraer E175, Bombardier CRJ200, Bombardier CRJ550 | 112 | 3h 22m |
| Southwest AirlinesSeasonal or ended | n/a | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 50,151 | 2h 38m |
| Envoy AirSeasonal or ended | n/a | Embraer E175, Embraer E170 | 7,482 | 2h 50m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ORD to DEN flight schedule
30 flight numbers flew this route in August 2026, 18 of them almost daily. The first usually leaves at 5:00am and the last at 10:15pm. 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 2666United Airlines | 5:00am | 6:39am | 31 | 96% |
| UA 2806United Airlines | 6:00am | 7:34am | 31 | 96% |
| AA 1747American Airlines | 6:45am | 8:28am | 4 | 74% |
| AA 2559American Airlines | 6:45am | 8:25am | 27 | 79% |
| UA 1217United Airlines | 7:00am | 8:52am | 31 | 92% |
| UA 2139United Airlines | 8:40am | 10:32am | 21 | 91% |
| UA 526United Airlines | 8:40am | 10:31am | 10 | 88% |
| AA 1744American Airlines | 10:00am | 11:44am | 4 | 83% |
| AA 2363American Airlines | 10:00am | 11:43am | 27 | 74% |
| UA 581United Airlines | 10:54am | 12:45pm | 10 | 98% |
| UA 536United Airlines | 10:55am | 12:45pm | 21 | 71% |
| AA 4216American Airlines · operated by Envoy Air | 11:50am | 1:34pm | 4 | n/a |
| AA 1277American Airlines | 11:58am | 1:41pm | 23 | 64% |
| AA 1760American Airlines | 12:00pm | 1:44pm | 4 | 63% |
| UA 2809United Airlines | 12:45pm | 2:31pm | 21 | 71% |
| UA 1150United Airlines | 12:56pm | 2:46pm | 10 | 83% |
| UA 2311United Airlines | 1:30pm | 3:17pm | 21 | 70% |
| UA 2802United Airlines | 1:30pm | 3:17pm | 8 | 81% |
| F9 3171Frontier Airlines | 2:41pm | 4:45pm | 14 | 57% |
| UA 2803United Airlines | 2:42pm | 4:34pm | 31 | 72% |
| AA 1317American Airlines | 3:08pm | 4:53pm | 27 | 44% |
| AA 1734American Airlines | 3:15pm | 5:00pm | 4 | 65% |
| UA 2769United Airlines | 3:56pm | 5:56pm | 31 | 52% |
| UA 2415United Airlines | 4:20pm | 6:19pm | 21 | 33% |
| UA 1974United Airlines | 5:51pm | 7:45pm | 31 | 55% |
| UA 329United Airlines | 7:50pm | 9:44pm | 21 | 71% |
| UA 377United Airlines | 9:50pm | 11:48pm | 10 | 72% |
| F9 1483Frontier Airlines | 9:57pm | 11:57pm | 17 | 65% |
| UA 767United Airlines | 10:00pm | 11:53pm | 31 | 70% |
| AA 1387American Airlines | 10:15pm | 11:59pm | 31 | 55% |
Is ORD to DEN on time?
From September 2025 to August 2026, 74% of 6,118 flights arrived within 15 minutes of schedule and 1.2% were cancelled. Flights leaving around 7am were the most punctual (91%), those around 6pm the least (61%). Most delay time was caused by late-arriving aircraft (45%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 3,888 | 78% | 18 min | 0.9% |
| American Airlines | 1,604 | 66% | 25 min | 1.4% |
| Frontier Airlines | 324 | 66% | 43 min | 3.4% |
| Southwest Airlines | 302 | 74% | 19 min | 1.7% |
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 | 175 | 95% | |
| 6am to 7am | 298 | 86% | |
| 7am to 8am | 554 | 91% | |
| 8am to 9am | 486 | 78% | |
| 9am to 10am | 152 | 73% | |
| 10am to 11am | 543 | 83% | |
| 11am to 12pm | 140 | 67% | |
| 12pm to 1pm | 376 | 83% | |
| 1pm to 2pm | 377 | 80% | |
| 2pm to 3pm | 550 | 76% | |
| 3pm to 4pm | 423 | 66% | |
| 4pm to 5pm | 322 | 62% | |
| 5pm to 6pm | 146 | 68% | |
| 6pm to 7pm | 380 | 61% | |
| 8pm to 9pm | 495 | 64% | |
| 9pm to 10pm | 387 | 67% | |
| 10pm to 11pm | 190 | 51% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 595 | 102,640 | |
| September 2025 | 606 | 102,444 | |
| October 2025 | 624 | 101,250 | |
| November 2025 | 418 | 67,873 | |
| December 2025 | 423 | 72,841 | |
| January 2026 | 400 | 61,091 | |
| February 2026 | 443 | 64,737 | |
| March 2026 | 481 | 76,143 | |
| April 2026 | 490 | 69,857 | |
| May 2026 | 587 | 87,883 | |
| June 2026 | 533 | 88,983 | |
| July 2026 | 541 | 90,803 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.