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

San Diego, CA (SAN) to Washington, DC (DCA) flight delay odds

67.0% of 364 official scheduled SAN-to-DCA flights arrived on time; 21.4% arrived at least 30 minutes late and 1.4% 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 SIGNALVariable
67.0%arrived on time
21.4%30+ min late
1.4%cancelled
364scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.4%all scheduled flights
120+ minutes late3.8%all scheduled flights
Diverted0.5%did not reach as scheduled
Average arrival+6.6 mincompleted flights

Which departure time was most reliable for SAN to DCA?

Only Afternoon met the SAN-to-DCA departure window threshold: 67.0% of 364 scheduled flights arrived on time during July 2025–June 2026.

Departure windowFlightsOn time30+ minCancelled
Afternoon36467.0%21.4%1.4%

Which weekday was most reliable for SAN to DCA?

Among qualifying SAN-to-DCA weekday results, Tuesday had the highest on-time rate: 77.4% of 53 flights. Thursday was lowest at 54.9% across 51 flights.

DayFlightsOn time30+ minCancelled
Monday5276.9%15.4%0.0%
Tuesday5377.4%18.9%0.0%
Wednesday5263.5%25.0%0.0%
Thursday5154.9%29.4%3.9%
Friday5261.5%21.2%1.9%
Saturday5276.9%11.5%1.9%
Sunday5257.7%28.8%1.9%

Which airline was most reliable for SAN to DCA?

Only Alaska Airlines met the SAN-to-DCA airline threshold: 67.0% of 364 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Alaska Airlines36467.0%21.4%1.4%

Which month was most reliable for SAN to DCA?

Among qualifying SAN-to-DCA month results, April 2026 had the highest on-time rate: 86.7% of 30 flights. August 2025 was lowest at 48.4% across 31 flights.

MonthFlightsOn time30+ minCancelled
July 20253158.1%19.4%3.2%
August 20253148.4%29.0%0.0%
September 20253056.7%30.0%3.3%
October 20253174.2%22.6%0.0%
November 20252965.5%20.7%3.4%
December 20253177.4%12.9%0.0%
January 20263154.8%25.8%6.5%
February 20262860.7%28.6%0.0%
March 20263167.7%25.8%0.0%
April 20263086.7%10.0%0.0%
May 20263177.4%12.9%0.0%
June 20263076.7%20.0%0.0%

What drove SAN to DCA delay minutes?

National airspace was the largest recorded SAN-to-DCA delay category, accounting for 56.8% of 6,658 BTS-attributed delay minutes during July 2025–June 2026.

Airline10.6%
Late aircraft27.7%
National airspace56.8%
Weather4.6%
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.