Route
DAY → DCA
James M. Cox Dayton International Airport Ronald Reagan Washington National Airport
391 miles
Return route DCA → DAY →
How punctual is this route?
- On-time arrivals
- 70.8%
- Less than 15 minutes late
- Cancelled
- 4.2%
- Of scheduled flights
- Average delay when late
- 117 min
- Flights arriving 15+ minutes late
- Flights tracked
- 959
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 49%
- Air traffic control & airport 21%
- Airline (crew, maintenance, cleaning) 20%
- Extreme weather 10%
- 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 | 80.0% | 86 |
| October 2025 | 70.7% | 92 |
| November 2025 | 73.4% | 84 |
| December 2025 | 63.3% | 63 |
| January 2026 | 66.2% | 78 |
| February 2026 | 62.8% | 80 |
| March 2026 | 61.2% | 89 |
| April 2026 | 74.1% | 82 |
| May 2026 | 76.6% | 80 |
| June 2026 | 84.6% | 73 |
| July 2026 | 66.2% | 76 |
| August 2026 | 69.6% | 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 | 959 | 70.8% | 4.2% | 117 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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