BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
DAY→DCA

Dayton, OH (DAY) to Washington, DC (DCA) flight delay odds

68.7% of 968 official scheduled DAY-to-DCA flights arrived on time; 20.6% arrived at least 30 minutes late and 4.2% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALHigher disruption
68.7%arrived on time
20.6%30+ min late
4.2%cancelled
968scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late13.8%all scheduled flights
120+ minutes late6.6%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival+21.5 mincompleted flights

Which departure time was most reliable for DAY to DCA?

Among qualifying DAY-to-DCA departure window results, Early morning had the highest on-time rate: 82.9% of 356 flights. Evening was lowest at 40.7% across 285 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning35682.9%10.1%3.4%
Late morning31977.7%12.5%1.9%
Evening28540.7%42.5%8.1%

Which weekday was most reliable for DAY to DCA?

Among qualifying DAY-to-DCA weekday results, Saturday had the highest on-time rate: 78.9% of 90 flights. Sunday was lowest at 62.0% across 137 flights.

DayFlightsOn time30+ minCancelled
Monday15068.0%18.0%6.0%
Tuesday14371.3%21.0%2.1%
Wednesday15266.4%24.3%5.3%
Thursday14871.6%18.2%2.7%
Friday14866.2%25.0%4.1%
Saturday9078.9%11.1%3.3%
Sunday13762.0%22.6%5.8%

Which airline was most reliable for DAY to DCA?

Only PSA Airlines met the DAY-to-DCA airline threshold: 68.7% of 968 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
PSA Airlines96868.7%20.6%4.2%

Which month was most reliable for DAY to DCA?

Among qualifying DAY-to-DCA month results, September 2025 had the highest on-time rate: 79.1% of 86 flights. January 2026 was lowest at 57.7% across 78 flights.

MonthFlightsOn time30+ minCancelled
July 20258068.8%20.0%10.0%
August 20258175.3%13.6%2.5%
September 20258679.1%14.0%0.0%
October 20259270.7%25.0%0.0%
November 20258469.0%21.4%4.8%
December 20256360.3%30.2%4.8%
January 20267857.7%25.6%10.3%
February 20268061.2%26.2%2.5%
March 20268958.4%27.0%4.5%
April 20268273.2%19.5%1.2%
May 20268073.8%13.8%2.5%
June 20267375.3%11.0%9.6%

What drove DAY to DCA delay minutes?

Late aircraft was the largest recorded DAY-to-DCA delay category, accounting for 45.9% of 29,496 BTS-attributed delay minutes during July 2025–June 2026.

Airline24.6%
Late aircraft45.9%
National airspace19.8%
Weather9.7%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.