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

Washington, DC (DCA) to San Antonio, TX (SAT) flight delay odds

55.3% of 351 official scheduled DCA-to-SAT flights arrived on time; 30.2% arrived at least 30 minutes late and 2.3% 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
55.3%arrived on time
30.2%30+ min late
2.3%cancelled
351scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late20.2%all scheduled flights
120+ minutes late9.4%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+28.6 mincompleted flights

Which departure time was most reliable for DCA to SAT?

Only Evening met the DCA-to-SAT departure window threshold: 55.3% of 329 scheduled flights arrived on time during July 2025–June 2026.

Departure windowFlightsOn time30+ minCancelled
Evening32955.3%30.1%2.4%

Which weekday was most reliable for DCA to SAT?

Among qualifying DCA-to-SAT weekday results, Saturday had the highest on-time rate: 66.0% of 50 flights. Sunday was lowest at 42.0% across 50 flights.

DayFlightsOn time30+ minCancelled
Monday5064.0%20.0%4.0%
Tuesday5154.9%25.5%3.9%
Wednesday5056.0%32.0%0.0%
Thursday5054.0%32.0%2.0%
Friday5050.0%38.0%2.0%
Saturday5066.0%26.0%0.0%
Sunday5042.0%38.0%4.0%

Which airline was most reliable for DCA to SAT?

Only American Airlines met the DCA-to-SAT airline threshold: 55.3% of 351 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
American Airlines35155.3%30.2%2.3%

Which month was most reliable for DCA to SAT?

Among qualifying DCA-to-SAT month results, October 2025 had the highest on-time rate: 77.4% of 31 flights. August 2025 was lowest at 29.0% across 31 flights.

MonthFlightsOn time30+ minCancelled
July 20253135.5%45.2%9.7%
August 20253129.0%51.6%3.2%
September 20253056.7%23.3%0.0%
October 20253177.4%16.1%0.0%
November 20253073.3%26.7%0.0%
December 20252272.7%18.2%0.0%
January 20262653.8%19.2%11.5%
February 20262846.4%32.1%0.0%
March 20263164.5%29.0%0.0%
April 20263050.0%30.0%0.0%
May 20263145.2%41.9%0.0%
June 20263063.3%23.3%3.3%

What drove DCA to SAT delay minutes?

Late aircraft was the largest recorded DCA-to-SAT delay category, accounting for 59.3% of 12,540 BTS-attributed delay minutes during July 2025–June 2026.

Airline23.1%
Late aircraft59.3%
National airspace14.5%
Weather3.2%
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.