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

Washington, DC (DCA) to Dallas, TX (DAL) flight delay odds

71.4% of 1,735 official scheduled DCA-to-DAL flights arrived on time; 18.2% arrived at least 30 minutes late and 1.8% 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 SIGNALGenerally reliable
71.4%arrived on time
18.2%30+ min late
1.8%cancelled
1,735scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.6%all scheduled flights
120+ minutes late3.5%all scheduled flights
Diverted0.5%did not reach as scheduled
Average arrival+11.0 mincompleted flights

Which departure time was most reliable for DCA to DAL?

Among qualifying DCA-to-DAL departure window results, Early morning had the highest on-time rate: 86.8% of 365 flights. Evening was lowest at 58.7% across 475 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning36586.8%6.6%1.6%
Late morning35978.0%11.7%1.9%
Afternoon47667.4%21.2%1.5%
Evening47558.7%28.4%2.1%
Night6070.0%23.3%3.3%

Which weekday was most reliable for DCA to DAL?

Among qualifying DCA-to-DAL weekday results, Tuesday had the highest on-time rate: 78.5% of 265 flights. Sunday was lowest at 61.2% across 260 flights.

DayFlightsOn time30+ minCancelled
Monday26073.5%16.9%1.5%
Tuesday26578.5%13.6%0.8%
Wednesday26075.4%16.2%1.2%
Thursday25769.6%17.1%1.6%
Friday25867.8%20.2%2.7%
Saturday17574.9%17.7%1.7%
Sunday26061.2%25.8%3.5%

Which airline was most reliable for DCA to DAL?

Only Southwest Airlines met the DCA-to-DAL airline threshold: 71.4% of 1,735 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,73571.4%18.2%1.8%

Which month was most reliable for DCA to DAL?

Among qualifying DCA-to-DAL month results, December 2025 had the highest on-time rate: 78.5% of 149 flights. June 2026 was lowest at 57.5% across 146 flights.

MonthFlightsOn time30+ minCancelled
July 202515064.7%19.3%5.3%
August 202514670.5%20.5%2.1%
September 202514276.1%12.0%0.0%
October 202514672.6%17.8%0.7%
November 202513974.8%18.0%2.2%
December 202514978.5%14.8%0.0%
January 202614678.1%13.0%4.8%
February 202613274.2%16.7%2.3%
March 202615172.8%17.9%1.3%
April 202614374.8%18.2%0.7%
May 202614562.8%21.4%1.4%
June 202614657.5%28.8%1.4%

What drove DCA to DAL delay minutes?

Late aircraft was the largest recorded DCA-to-DAL delay category, accounting for 48.4% of 29,433 BTS-attributed delay minutes during July 2025–June 2026.

Airline28.4%
Late aircraft48.4%
National airspace18.5%
Weather4.7%
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.