Airports › Denver (DEN) › March 2026
Airport month · March 2026
Denver International in March 2026
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 March 2026, reporting carriers scheduled 27,089 domestic departures from Denver International (DEN). 73.5% left less than 15 minutes late and 75.5% reached their destination on time; 1.5% were cancelled.
Nationally that month, 72.8% of flights departed on time and 73.2% arrived on time, so DEN departures were 0.7 points above the national departure figure.
A year earlier, in March 2025, the airport had 26,655 departures with 80.6% leaving on time: a change of −7.1 points, with flights up 2%.
Flights arriving at DEN that month were on time 77.8% of the time (27,087 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 42%, air carrier 32% and national aviation system 22%.
- On time 75.5%
- Arrived 15+ minutes late 22.8%
- Cancelled 1.5%
- Diverted 0.3%
March 2026 against a year earlier, the airport's year and the nation
| Measure | Mar 2026 | Mar 2025 | DEN, 12 months to Jul 2026 | All reported flights, Mar 2026 |
|---|---|---|---|---|
| Departed on time | 73.5% | 80.6% | 75.7% | 72.8% |
| Arrived on time | 75.5% | 81.1% | 76.1% | 73.2% |
| Cancelled | 1.5% | 0.6% | 0.7% | 2.9% |
| Average departure delay (late minutes only) | 18.3 min | 12.4 min | 16.5 min | 20.3 min |
| Scheduled departures a day | 903 | 889 | 875 | 20,403 |
| Scheduled departures | 27,089 | 26,655 | 319,208 | 612,102 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| UA United Airlines | 9,196 | 34% | 78.3% | 7.6 min | 0.8% |
| WN Southwest Airlines | 7,473 | 28% | 69.0% | 13.6 min | 1.1% |
| OO SkyWest Airlines | 6,312 | 23% | 78.2% | 6.4 min | 2.8% |
| F9 Frontier Airlines | 2,050 | 8% | 75.3% | 7.4 min | 1.5% |
| DL Delta Air Lines | 883 | 3% | 82.0% | -0.5 min | 3.1% |
| AA American Airlines | 748 | 3% | 77.0% | 6.9 min | 1.6% |
| AS Alaska Airlines | 217 | 1% | 74.7% | 4.9 min | 2.3% |
| B6 JetBlue Airways | 133 | 0% | 65.4% | 28.9 min | 0.8% |
| MQ Envoy Air | 68 | 0% | 73.5% | 8.5 min | 0.0% |
| G4 Allegiant Air | 9 | 0% | 88.9% | -6.1 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| DEN–PHX | Denver to Phoenix | 918 | 76.5% | 5.9 min | 0.7% |
| DEN–SLC | Denver to Salt Lake City | 668 | 80.1% | 5.7 min | 0.4% |
| DEN–LAS | Denver to Las Vegas | 666 | 78.5% | 5.9 min | 0.8% |
| DEN–LAX | Denver to Los Angeles | 630 | 81.6% | 0.7 min | 0.0% |
| DEN–DFW | Denver to Dallas/Fort Worth | 541 | 76.3% | 6.6 min | 0.7% |
| DEN–SAN | Denver to San Diego | 537 | 81.4% | -1.4 min | 1.5% |
| DEN–AUS | Denver to Austin | 515 | 76.9% | 5.4 min | 0.4% |
| DEN–ORD | Denver to Chicago | 486 | 66.5% | 29.0 min | 1.6% |
| DEN–MCO | Denver to Orlando | 468 | 69.9% | 12.4 min | 2.6% |
| DEN–MSP | Denver to Minneapolis | 462 | 79.0% | 4.4 min | 3.2% |
| DEN–ATL | Denver to Atlanta | 460 | 75.2% | 4.9 min | 2.8% |
| DEN–SEA | Denver to Seattle | 455 | 67.7% | 14.1 min | 1.8% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left DEN on time in March 2026?
73.5% of 27,089 scheduled domestic departures left less than 15 minutes late, and 75.5% reached their destination on time. The national figures that month were 72.8% and 73.2%.
How does that compare with a year earlier?
In March 2025, 80.6% of 26,655 departures left on time and 0.6% were cancelled, against 73.5% and 1.5% in March 2026.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for March 2026; 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.