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

Philadelphia, PA (PHL) to Washington, DC (DCA) flight delay odds

57.6% of 817 official scheduled PHL-to-DCA flights arrived on time; 26.3% 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
57.6%arrived on time
26.3%30+ min late
4.2%cancelled
817scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late15.1%all scheduled flights
120+ minutes late6.7%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+27.0 mincompleted flights

Which departure time was most reliable for PHL to DCA?

Among qualifying PHL-to-DCA departure window results, Late morning had the highest on-time rate: 87.5% of 104 flights. Afternoon was lowest at 51.5% across 297 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning5468.5%20.4%1.9%
Late morning10487.5%6.7%0.0%
Afternoon29751.5%31.6%1.3%
Evening36252.5%28.5%8.0%

Which weekday was most reliable for PHL to DCA?

Among qualifying PHL-to-DCA weekday results, Saturday had the highest on-time rate: 70.1% of 117 flights. Thursday was lowest at 49.2% across 118 flights.

DayFlightsOn time30+ minCancelled
Monday11753.8%23.9%7.7%
Tuesday11860.2%24.6%3.4%
Wednesday11662.1%24.1%5.2%
Thursday11849.2%32.2%0.8%
Friday11854.2%28.0%3.4%
Saturday11770.1%20.5%5.1%
Sunday11354.0%31.0%3.5%

Which airline was most reliable for PHL to DCA?

Among qualifying PHL-to-DCA airline results, Republic Airways had the highest on-time rate: 62.7% of 217 flights. PSA Airlines was lowest at 55.8% across 600 flights.

AirlineFlightsOn time30+ minCancelled
PSA Airlines60055.8%28.7%4.0%
Republic Airways21762.7%19.8%4.6%

Which month was most reliable for PHL to DCA?

Among qualifying PHL-to-DCA month results, September 2025 had the highest on-time rate: 83.0% of 88 flights. November 2025 was lowest at 33.3% across 60 flights.

MonthFlightsOn time30+ minCancelled
July 20258860.2%22.7%8.0%
August 20256675.8%16.7%1.5%
September 20258883.0%9.1%0.0%
October 20259278.3%13.0%0.0%
November 20256033.3%56.7%1.7%
December 20256147.5%32.8%1.6%
January 20266243.5%29.0%12.9%
February 20265646.4%32.1%8.9%
March 20266238.7%43.5%6.5%
April 20265947.5%32.2%0.0%
May 20266354.0%25.4%3.2%
June 20266058.3%20.0%8.3%

What drove PHL to DCA delay minutes?

Late aircraft was the largest recorded PHL-to-DCA delay category, accounting for 38.7% of 25,467 BTS-attributed delay minutes during July 2025–June 2026.

Airline21.4%
Late aircraft38.7%
National airspace29.7%
Weather9.8%
Security0.3%
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.