Route
DCA → DAY
Ronald Reagan Washington National Airport James M. Cox Dayton International Airport
391 miles
Return route DAY → DCA →
How punctual is this route?
- On-time arrivals
- 63.2%
- Less than 15 minutes late
- Cancelled
- 3.7%
- Of scheduled flights
- Average delay when late
- 91 min
- Flights arriving 15+ minutes late
- Flights tracked
- 956
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 54%
- Airline (crew, maintenance, cleaning) 26%
- Air traffic control & airport 11%
- Extreme weather 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 81.4% | 86 |
| October 2025 | 65.9% | 91 |
| November 2025 | 63.8% | 84 |
| December 2025 | 51.6% | 63 |
| January 2026 | 53.0% | 78 |
| February 2026 | 50.6% | 80 |
| March 2026 | 64.3% | 88 |
| April 2026 | 69.1% | 81 |
| May 2026 | 67.1% | 80 |
| June 2026 | 70.0% | 73 |
| July 2026 | 58.1% | 76 |
| August 2026 | 56.5% | 76 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| OH | 956 | 63.2% | 3.7% | 91 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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