BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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DCA→DAY

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

61.5% of 965 official scheduled DCA-to-DAY flights arrived on time; 25.8% 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
61.5%arrived on time
25.8%30+ min late
4.2%cancelled
965scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late15.5%all scheduled flights
120+ minutes late6.7%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+21.7 mincompleted flights

Which departure time was most reliable for DCA to DAY?

Among qualifying DCA-to-DAY departure window results, Early morning had the highest on-time rate: 80.3% of 309 flights. Afternoon was lowest at 51.3% across 158 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning30980.3%12.6%2.3%
Afternoon15851.3%39.9%1.3%
Evening21952.5%30.6%4.1%
Night27252.2%29.4%8.5%

Which weekday was most reliable for DCA to DAY?

Among qualifying DCA-to-DAY weekday results, Saturday had the highest on-time rate: 72.2% of 90 flights. Sunday was lowest at 55.1% across 136 flights.

DayFlightsOn time30+ minCancelled
Monday15066.0%20.7%7.3%
Tuesday14163.8%24.8%3.5%
Wednesday15257.9%30.9%2.6%
Thursday14861.5%25.0%2.7%
Friday14857.4%29.1%4.1%
Saturday9072.2%18.9%3.3%
Sunday13655.1%28.7%5.9%

Which airline was most reliable for DCA to DAY?

Only PSA Airlines met the DCA-to-DAY airline threshold: 61.5% of 965 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
PSA Airlines96561.5%25.8%4.2%

Which month was most reliable for DCA to DAY?

Among qualifying DCA-to-DAY month results, September 2025 had the highest on-time rate: 81.4% of 86 flights. January 2026 was lowest at 44.9% across 78 flights.

MonthFlightsOn time30+ minCancelled
July 20258047.5%30.0%12.5%
August 20258169.1%12.3%4.9%
September 20258681.4%10.5%0.0%
October 20259165.9%22.0%0.0%
November 20258460.7%28.6%4.8%
December 20256350.8%41.3%1.6%
January 20267844.9%32.1%14.1%
February 20268048.8%36.2%3.8%
March 20268861.4%28.4%4.5%
April 20268169.1%24.7%0.0%
May 20268066.2%25.0%1.2%
June 20267367.1%23.3%4.1%

What drove DCA to DAY delay minutes?

Late aircraft was the largest recorded DCA-to-DAY delay category, accounting for 53.0% of 26,178 BTS-attributed delay minutes during July 2025–June 2026.

Airline27.3%
Late aircraft53.0%
National airspace12.5%
Weather7.2%
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.