Philadelphia (PHL) to Dayton (DAY): On-Time Performance
Data through July 2026
Philadelphia (PHL) to Dayton (DAY) is a thinner route than most in this dataset — 359 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 70% arrived on time, noticeably below the national average of 78%. Cancellations are the bigger caveat: 4.9% of scheduled flights never departed.
- On-time
- 70%
- arrived <15 min late
- Avg delay
- 26 min
- completed flights
- Cancelled
- 4.9%
- Flights/day
- 0.98
- last 12 months
- Duration
- 1h 58m
- scheduled
- Distance
- 477 mi
Monthly on-time trend
Best time to fly from PHL to DAY
Aim for departures around 9 p.m. (88% on-time); avoid 6 p.m. departures (58%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 65% | 34 min |
| Tuesday | 81% | 14 min |
| Wednesdaybest | 81% | 14 min |
| Thursday | 65% | 40 min |
| Friday | 68% | 21 min |
| Saturday | 70% | 26 min |
| Sunday | 60% | 35 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft53%
- Airline operations27%
- National airspace system12%
- Weather8%
Frequently asked questions
- How often are flights from PHL to DAY delayed?
- 30% of PHL–DAY 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 26 minutes.
- What is the best time of day to fly from PHL to DAY?
- Departures around 9 p.m. have the best record (88% on-time), while departures around 6 p.m. have the worst (58%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PHL to DAY?
- The scheduled PHL–DAY flight time averages 1h 58m over 477 miles. Actual arrival times vary — flights on this route land 15+ minutes late 30% of the time.
- How often are PHL to DAY flights cancelled?
- 4.9% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from PHL to DAY?
- December 2025 was the roughest month in this dataset, with only 44% of arrivals on time. The best was October 2025 at 90%. If your dates are flexible, that 46-point gap is worth planning around.
Explore related pages
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Related guides
Based on 508 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.