FlightRecord

Dayton (DAY) to Philadelphia (PHL): On-Time Performance

Data through May 2026

Dayton (DAY) to Philadelphia (PHL) is a thinner route than most in this dataset — 300 departures over the past year, roughly 6 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 90% arrived on time, comfortably above the national average of 78%.

On-time
90%
arrived <15 min late
Avg delay
9 min
completed flights
Cancelled
1.4%
Flights/day
0.82
last 12 months
Duration
1h 42m
scheduled
Distance
477 mi

Monthly on-time trend

Monthly on-time percentage for DAY to PHL flights50%75%100%September 2024: 89% on-time (26 flights)89Sep 2024October 2024: 100% on-time (8 flights)100February 2025: 64% on-time (15 flights)64March 2025: 97% on-time (31 flights)97Mar 2025April 2025: 97% on-time (30 flights)97May 2025: 76% on-time (34 flights)76June 2025: 80% on-time (5 flights)80Jun 2025August 2025: 89% on-time (26 flights)89September 2025: 90% on-time (30 flights)90October 2025: 90% on-time (30 flights)90Oct 2025November 2025: 90% on-time (29 flights)90December 2025: 86% on-time (31 flights)86January 2026: 90% on-time (30 flights)90Jan 2026February 2026: 89% on-time (27 flights)89March 2026: 94% on-time (31 flights)94April 2026: 97% on-time (30 flights)97Apr 2026May 2026: 94% on-time (31 flights)94

Best time to fly from DAY to PHL

Aim for departures around 7 a.m. (94% on-time); avoid 8 a.m. departures (79%).

On-time percentage by scheduled departure hour, DAY to PHL5 a.m.: 93% on-time (69 flights)56 a.m.: 89% on-time (189 flights)67 a.m.: 94% on-time (125 flights)78 a.m.: 79% on-time (55 flights)8scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday88%8 min
Tuesdaybest95%4 min
Wednesday89%14 min
Thursday89%9 min
Friday87%10 min
Saturday91%5 min
Sunday89%12 min

What causes delays on this route

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

  • Late-arriving aircraft17%
  • Airline operations61%
  • National airspace system14%
  • Weather8%

Frequently asked questions

How often are flights from DAY to PHL delayed?
11% of DAY–PHL 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 9 minutes.
What is the best time of day to fly from DAY to PHL?
Departures around 7 a.m. have the best record (94% on-time), while departures around 8 a.m. have the worst (79%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from DAY to PHL?
The scheduled DAY–PHL flight time averages 1h 42m over 477 miles. Actual arrival times vary — flights on this route land 15+ minutes late 11% of the time.
How often are DAY to PHL flights cancelled?
1.4% 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 PHL?
May 2025 was the roughest month in this dataset, with only 76% of arrivals on time. The best was March 2025 at 97%. If your dates are flexible, that 21-point gap is worth planning around.

Based on 444 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.