Dayton (DAY) to Philadelphia (PHL): On-Time Performance
Data through July 2026
Dayton (DAY) to Philadelphia (PHL) is a thinner route than most in this dataset — 356 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 89% arrived on time, comfortably above the national average of 78%.
- On-time
- 89%
- arrived <15 min late
- Avg delay
- 9 min
- completed flights
- Cancelled
- 2.0%
- Flights/day
- 0.98
- last 12 months
- Duration
- 1h 42m
- scheduled
- Distance
- 477 mi
Monthly on-time trend
Best time to fly from DAY to PHL
Aim for departures around 7 a.m. (94% on-time); avoid 8 a.m. departures (79%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 89% | 7 min |
| Tuesdaybest | 94% | 4 min |
| Wednesday | 88% | 15 min |
| Thursday | 88% | 9 min |
| Friday | 88% | 9 min |
| Saturday | 90% | 5 min |
| Sunday | 88% | 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 aircraft16%
- Airline operations64%
- National airspace system13%
- 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 2024-07 and 2026-07. 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?
- 2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above 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.
Explore related pages
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Related guides
Based on 505 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.