James M. Cox Dayton International Airport (DAY) delays & on-time performance
Dayton, Ohio · 12 nonstop destinations · 7 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DAY right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
80%
arrived < 15 min late
Cancelled
2.7%
214 flights
Avg arrival delay
21 min
103 min when late
Departed on time
81%
avg taxi-out 18 min
Figures cover 7,918 departures from DAY; on-time is measured at arrival. Arrivals into DAY were on time 73% of the time.
Key facts
- Flights departing James M. Cox Dayton International Airport (DAY) arrived on time 80% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 2.7% were cancelled, and 10% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (89% on time); Allegiant Air was the least (63%).
- Departures scheduled around 11am did best (89% on time); around 7pm did worst (60%).
- The largest source of delay minutes was late-arriving aircraft (44%).
Most delayed routes from DAY
Lowest on-time arrival rates among regularly flown routes.
- DCA · Washington71%964 flts
- ORD · Chicago73%1,781 flts
- DFW · Dallas/Fort Worth80%1,356 flts
- CLT · Charlotte82%1,369 flts
- ATL · Atlanta89%1,402 flts
- DEN · Denver91%365 flts
Most reliable routes from DAY
Highest on-time arrival rates among regularly flown routes.
- DEN · Denver91%365 flts
- ATL · Atlanta89%1,402 flts
- CLT · Charlotte82%1,369 flts
- DFW · Dallas/Fort Worth80%1,356 flts
- ORD · Chicago73%1,781 flts
- DCA · Washington71%964 flts
Best airline at DAY
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 89% | 2.0% | 10 min | 1 | 1,402 |
| United Airlines | 89% | 0.5% | 12 min | 2 | 377 |
| Republic Airways | 89% | 8.5% | 15 min | 2 | 118 |
| Envoy Air | 80% | 2.6% | 19 min | 2 | 383 |
| PSA Airlines | 79% | 2.6% | 22 min | 5 | 4,697 |
| SkyWest Airlines | 65% | 6.4% | 37 min | 2 | 639 |
| Allegiant Air | 63% | 1.0% | 44 min | 4 | 302 |
Best time to fly out of DAY
On-time arrival rate by scheduled departure hour (local time).
- 5am87%123 flts
- 6am89%1,315 flts
- 7am87%639 flts
- 8am87%765 flts
- 9am86%593 flts
- 10am76%270 flts
- 11am89%490 flts
- 12pm76%594 flts
- 1pm81%465 flts
- 2pm80%385 flts
- 3pm79%144 flts
- 4pm70%317 flts
- 5pm65%571 flts
- 6pm71%763 flts
- 7pm60%356 flts
- 9pm38%89 flts
Monthly trend
Why departures were late
- Late-arriving aircraft44%
- Airline (crew, maintenance, cleaning, fueling)29%
- Air traffic control & airport congestion18%
- Extreme weather9%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.