San Antonio (SAT) to Washington (DCA): On-Time Performance
Data through May 2026
San Antonio (SAT) to Washington (DCA) is a thinner route than most in this dataset — 352 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 91% arrived on time, comfortably above the national average of 78%.
- On-time
- 91%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 1.6%
- Flights/day
- 0.96
- last 12 months
- Duration
- 3h 15m
- scheduled
- Distance
- 1,380 mi
Monthly on-time trend
Best time to fly from SAT to DCA
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 89% | 15 min |
| Tuesday | 86% | 19 min |
| Wednesday | 90% | 5 min |
| Thursday | 91% | 31 min |
| Fridaybest | 95% | 3 min |
| Saturday | 92% | 17 min |
| Sunday | 92% | 5 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft9%
- Airline operations78%
- National airspace system5%
- Weather8%
Frequently asked questions
- How often are flights from SAT to DCA delayed?
- 9% of SAT–DCA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 14 minutes.
- How long is the flight from SAT to DCA?
- The scheduled SAT–DCA flight time averages 3h 15m over 1,380 miles. Actual arrival times vary — flights on this route land 15+ minutes late 9% of the time.
- How often are SAT to DCA flights cancelled?
- 1.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What day of the week is most reliable for SAT to DCA?
- Friday flights have the best record at 95% on-time. Day-of-week differences on this route are meaningful — Tuesday trails at 86%.
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Based on 442 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.