Dayton (DAY) to Denver (DEN): On-Time Performance
Data through May 2026
Dayton (DAY) to Denver (DEN) effectively runs on two schedules. In April 2026, 100% of arrivals were on time; in December 2025 that fell to 74% — a 26-point seasonal swing. Across the full period the route averages 90% on-time against a national 78%.
- On-time
- 90%
- arrived <15 min late
- Avg delay
- 8 min
- completed flights
- Cancelled
- 0.4%
- Flights/day
- 1.0
- last 12 months
- Duration
- 3h 24m
- scheduled
- Distance
- 1,085 mi
Best airline from DAY to DEN
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 91% | 8 min | 0.4% | 282 |
| SkyWest Airlines | 90% | 8 min | 0.4% | 448 |
Monthly on-time trend
Best time to fly from DAY to DEN
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 85% | 5 min |
| Tuesday | 89% | 6 min |
| Wednesday | 89% | 15 min |
| Thursdaybest | 92% | 5 min |
| Friday | 91% | 11 min |
| Saturday | 91% | 7 min |
| Sundaybest | 92% | 8 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft13%
- Airline operations66%
- National airspace system17%
- Weather5%
Frequently asked questions
- How often are flights from DAY to DEN delayed?
- 10% of DAY–DEN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 8 minutes.
- Which airline is most reliable from DAY to DEN?
- United Airlines has the best on-time record on this route at 91%, based on 282 flights. 2 airlines flew DAY–DEN frequently enough to compare in this period.
- How long is the flight from DAY to DEN?
- The scheduled DAY–DEN flight time averages 3h 24m over 1,085 miles. Actual arrival times vary — flights on this route land 15+ minutes late 10% of the time.
- How often are DAY to DEN flights cancelled?
- 0.4% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from DAY to DEN?
- December 2025 was the roughest month in this dataset, with only 74% of arrivals on time. The best was April 2026 at 100%. If your dates are flexible, that 26-point gap is worth planning around.
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Based on 730 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.