Airports › Denver (DEN) › January 2025
Airport month · January 2025
Denver International in January 2025
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In January 2025, reporting carriers scheduled 24,732 domestic departures from Denver International (DEN). 75.6% left less than 15 minutes late and 73.9% reached their destination on time; 1.3% were cancelled.
Nationally that month, 79.3% of flights departed on time and 78.6% arrived on time, so DEN departures were 3.7 points below the national departure figure.
A year earlier, in January 2024, the airport had 23,361 departures with 68.8% leaving on time: a change of +6.8 points, with flights up 6%.
Flights arriving at DEN that month were on time 78.4% of the time (24,740 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 36%, air carrier 36% and national aviation system 22%.
- On time 73.9%
- Arrived 15+ minutes late 24.6%
- Cancelled 1.3%
- Diverted 0.3%
January 2025 against a year earlier, the airport's year and the nation
| Measure | Jan 2025 | Jan 2024 | DEN, 12 months to Jul 2026 | All reported flights, Jan 2025 |
|---|---|---|---|---|
| Departed on time | 75.6% | 68.8% | 75.7% | 79.3% |
| Arrived on time | 73.9% | 70.7% | 76.1% | 78.6% |
| Cancelled | 1.3% | 4.2% | 0.7% | 3.0% |
| Average departure delay (late minutes only) | 15.1 min | 18.7 min | 16.5 min | 14.0 min |
| Scheduled departures a day | 824 | 779 | 875 | 17,992 |
| Scheduled departures | 24,732 | 23,361 | 319,208 | 539,747 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| UA United Airlines | 8,451 | 34% | 76.6% | 3.5 min | 0.9% |
| WN Southwest Airlines | 6,874 | 28% | 75.2% | 3.1 min | 1.2% |
| OO SkyWest Airlines | 5,990 | 24% | 68.5% | 14.7 min | 1.5% |
| F9 Frontier Airlines | 1,657 | 7% | 71.6% | 6.4 min | 1.4% |
| DL Delta Air Lines | 815 | 3% | 76.6% | 8.2 min | 1.1% |
| AA American Airlines | 701 | 3% | 76.5% | 7.7 min | 3.3% |
| AS Alaska Airlines | 119 | 0% | 78.2% | 3.7 min | 1.7% |
| B6 JetBlue Airways | 88 | 0% | 71.6% | 6.7 min | 1.1% |
| G4 Allegiant Air | 19 | 0% | 57.9% | 31.3 min | 0.0% |
| MQ Envoy Air | 18 | 0% | 61.1% | 13.6 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| DEN–PHX | Denver to Phoenix | 800 | 80.4% | 0.1 min | 0.3% |
| DEN–SLC | Denver to Salt Lake City | 648 | 74.8% | 3.6 min | 0.3% |
| DEN–LAX | Denver to Los Angeles | 637 | 79.9% | -2.7 min | 0.0% |
| DEN–LAS | Denver to Las Vegas | 611 | 73.2% | 4.1 min | 0.0% |
| DEN–SFO | Denver to San Francisco | 477 | 76.9% | 0.8 min | 0.2% |
| DEN–DFW | Denver to Dallas/Fort Worth | 476 | 69.5% | 11.7 min | 5.9% |
| DEN–ORD | Denver to Chicago | 463 | 73.2% | 9.7 min | 0.9% |
| DEN–SEA | Denver to Seattle | 447 | 78.1% | 6.8 min | 0.2% |
| DEN–ATL | Denver to Atlanta | 441 | 71.2% | 10.2 min | 3.6% |
| DEN–COS | Denver to Colorado Springs | 436 | 65.4% | 16.0 min | 0.5% |
| DEN–SAN | Denver to San Diego | 427 | 78.5% | -2.1 min | 0.5% |
| DEN–MSP | Denver to Minneapolis | 418 | 75.4% | 7.3 min | 0.2% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left DEN on time in January 2025?
75.6% of 24,732 scheduled domestic departures left less than 15 minutes late, and 73.9% reached their destination on time. The national figures that month were 79.3% and 78.6%.
How does that compare with a year earlier?
In January 2024, 68.8% of 23,361 departures left on time and 4.2% were cancelled, against 75.6% and 1.3% in January 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for DEN · methodology · corrections.