FlightRecord

Dayton (DAY) to Denver (DEN): On-Time Performance

Data through July 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
10 min
completed flights
Cancelled
0.4%
Flights/day
1.0
last 12 months
Duration
3h 23m
scheduled
Distance
1,085 mi

Best airline from DAY to DEN

2 airlines flew this route regularly between 2024-07 and 2026-07.

AirlineOn-timeAvg delayCancelledFlights
United Airlinesmost reliable91%12 min0.3%343
SkyWest Airlines89%9 min0.5%418

Monthly on-time trend

Monthly on-time percentage for DAY to DEN flights50%75%100%August 2024: 94% on-time (31 flights)94Aug 2024September 2024: 97% on-time (30 flights)97October 2024: 94% on-time (31 flights)94November 2024: 83% on-time (30 flights)83Nov 2024December 2024: 87% on-time (31 flights)87January 2025: 81% on-time (31 flights)81February 2025: 86% on-time (28 flights)86Feb 2025March 2025: 94% on-time (31 flights)94April 2025: 87% on-time (30 flights)87May 2025: 81% on-time (31 flights)81May 2025June 2025: 90% on-time (30 flights)90July 2025: 90% on-time (31 flights)90August 2025: 87% on-time (31 flights)87Aug 2025September 2025: 97% on-time (30 flights)97October 2025: 97% on-time (31 flights)97November 2025: 83% on-time (30 flights)83Nov 2025December 2025: 74% on-time (31 flights)74January 2026: 93% on-time (31 flights)93February 2026: 93% on-time (28 flights)93Feb 2026March 2026: 94% on-time (31 flights)94April 2026: 100% on-time (30 flights)100May 2026: 97% on-time (31 flights)97May 2026June 2026: 87% on-time (30 flights)87July 2026: 94% on-time (31 flights)94

Best time to fly from DAY to DEN

By day of week

DayOn-timeAvg delay
Monday85%5 min
Tuesday89%6 min
Wednesday92%13 min
Thursday90%6 min
Fridaybest93%10 min
Saturday90%11 min
Sunday92%20 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft11%
  • Airline operations73%
  • National airspace system12%
  • Weather3%

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 2024-07 and 2026-07. The average arrival delay across completed flights was 10 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 343 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 23m 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 2024-07 and 2026-07, 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.

Based on 761 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.