DAY to PHL flight delays & on-time performance
Nonstop flights from James M. Cox Dayton International Airport to Philadelphia International Airport · 477 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DAY or PHL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Dayton (DAY) to Philadelphia (PHL) arrived on time 90% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 2.2% were cancelled, and 4% arrived an hour or more late.
- PSA Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 7am did best (94% on time); around 5am did worst (89%).
- Tuesday was the most reliable day to fly (94% on time) and Wednesday the least (88%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (81%).
Which airline is most on time from DAY to PHL?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| PSA AirlinesRegional airline operating American Eagle flights. | 90% | 2.2% | 7 min | 4.0% | 356 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am89%98 flights
- 6am90%219 flights
- 7am94%35 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday92%3.9% cancelled
- Tuesday94%0.0% cancelled
- Wednesday88%1.9% cancelled
- Thursday90%0.0% cancelled
- Friday90%3.9% cancelled
- Saturday90%0.0% cancelled
- Sunday90%5.9% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)81%
- Air traffic control & airport congestion10%
- Extreme weather10%
- Late-arriving aircraft0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather75%
- Airline (crew, maintenance, cleaning, fueling)13%
- Air traffic control & airport congestion13%
- Security0%
DAY to PHL: common questions
- How often are DAY to PHL flights on time?
- 90% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Dayton to Philadelphia cancelled?
- 2.2% of scheduled flights were cancelled (8 of 356).
- How long are typical delays?
- Across all flights the average arrival delay was 7 min (early arrivals count as zero). Flights that were late arrived 65 min behind schedule on average, and 4.0% of flights were an hour or more late.
- How long is taxi time at DAY?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PHL to DAY — 73% on time
More flights from Dayton
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: DAY → PHL, nonstop flights by US airlines that report to the DOT. How we calculate this.