CVG to PHL flight delays & on-time performance
Nonstop flights from Cincinnati Northern Kentucky International Airport to Philadelphia International Airport · 507 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at CVG or PHL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Cincinnati (CVG) to Philadelphia (PHL) arrived on time 81% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 3.2% were cancelled, and 10% arrived an hour or more late.
- Republic Airways was the most punctual airline here (91% on time); PSA Airlines was the least (80%).
- Departures scheduled around 7pm did best (95% on time); around 5pm did worst (59%).
- Friday was the most reliable day to fly (83% on time) and Thursday the least (76%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (42%).
Which airline is most on time from CVG 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 |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 91% | 0.8% | 7 min | 3.1% | 128 |
| PSA AirlinesRegional airline operating American Eagle flights. | 80% | 3.6% | 22 min | 10.3% | 1,074 |
| American Airlines | 59% | 0.0% | 49 min | 21.4% | 56 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am88%115 flights
- 6am84%50 flights
- 7am86%260 flights
- 8am85%68 flights
- 10am88%49 flights
- 11am80%174 flights
- 12pm87%24 flights
- 1pm83%127 flights
- 3pm93%14 flights
- 4pm71%223 flights
- 5pm59%57 flights
- 6pm65%58 flights
- 7pm95%39 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday79%3.5% cancelled
- Tuesday80%2.8% cancelled
- Wednesday82%3.0% cancelled
- Thursday76%1.6% cancelled
- Friday83%3.0% cancelled
- Saturday81%5.0% cancelled
- Sunday83%3.8% 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)42%
- Late-arriving aircraft37%
- Air traffic control & airport congestion13%
- Extreme weather7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather85%
- Air traffic control & airport congestion10%
- Airline (crew, maintenance, cleaning, fueling)5%
- Security0%
CVG to PHL: common questions
- How often are CVG to PHL flights on time?
- 81% 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 Cincinnati to Philadelphia cancelled?
- 3.2% of scheduled flights were cancelled (40 of 1,258).
- How long are typical delays?
- Across all flights the average arrival delay was 21 min (early arrivals count as zero). Flights that were late arrived 105 min behind schedule on average, and 10.0% of flights were an hour or more late.
- How long is taxi time at CVG?
- Flights on this route spent 19 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PHL to CVG — 77% on time
More flights from Cincinnati
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: CVG → PHL, nonstop flights by US airlines that report to the DOT. How we calculate this.