Route
ORD → DEN
Chicago O'Hare International Airport Denver International Airport
How punctual is this route?
- On-time arrivals
- 74.3%
- Less than 15 minutes late
- Cancelled
- 1.2%
- Of scheduled flights
- Average delay when late
- 82 min
- Flights arriving 15+ minutes late
- Flights tracked
- 6,118
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 46%
- Airline (crew, maintenance, cleaning) 26%
- Air traffic control & airport 23%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 80.4% | 605 |
| October 2025 | 78.5% | 616 |
| November 2025 | 74.8% | 423 |
| December 2025 | 65.5% | 417 |
| January 2026 | 74.8% | 394 |
| February 2026 | 79.4% | 432 |
| March 2026 | 71.2% | 485 |
| April 2026 | 75.4% | 494 |
| May 2026 | 78.0% | 584 |
| June 2026 | 71.3% | 538 |
| July 2026 | 75.3% | 552 |
| August 2026 | 65.0% | 578 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 3,888 | 78.3% | 0.9% | 81 min |
| American Airlines | 1,475 | 65.5% | 1.6% | 77 min |
| Frontier Airlines | 324 | 66.0% | 3.4% | 126 min |
| Southwest Airlines | 302 | 74.4% | 1.7% | 75 min |
| Envoy Air | 129 | 76.7% | 0.0% | 55 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA767
31% late · 365 flights
-
AA1387
45% late · 323 flights
-
UA1803
16% late · 297 flights
-
F91483
35% late · 267 flights
-
UA791
3% late · 183 flights
-
UA2666
4% late · 158 flights
-
UA1217
8% late · 156 flights
-
UA2347
21% late · 129 flights
-
UA1974
45% late · 123 flights
-
AA2833
34% late · 104 flights
-
UA2803
28% late · 103 flights
-
UA2806
4% late · 103 flights
-
UA329
29% late · 101 flights
-
UA2494
26% late · 94 flights
-
AA2363
26% late · 89 flights
-
UA1049
24% late · 82 flights
-
UA2649
26% late · 82 flights
-
UA2296
22% late · 79 flights
-
UA1113
10% late · 77 flights
-
AA1734
35% late · 76 flights
-
AA1747
26% late · 76 flights
-
AA1760
37% late · 73 flights
-
AA1744
17% late · 70 flights
-
UA2769
48% late · 68 flights
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