San Antonio (SAT) to Washington (DCA): On-Time Performance
Data through July 2026
San Antonio (SAT) to Washington (DCA) is a thinner route than most in this dataset — 351 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 90% arrived on time, comfortably above the national average of 78%.
- On-time
- 90%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 2.2%
- Flights/day
- 0.96
- last 12 months
- Duration
- 3h 16m
- 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 | 86% | 16 min |
| Tuesday | 86% | 17 min |
| Wednesday | 91% | 5 min |
| Thursday | 90% | 28 min |
| Friday | 92% | 4 min |
| Saturday | 91% | 16 min |
| Sundaybest | 93% | 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 operations74%
- National airspace system6%
- Weather11%
Frequently asked questions
- How often are flights from SAT to DCA delayed?
- 10% of SAT–DCA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 13 minutes.
- How long is the flight from SAT to DCA?
- The scheduled SAT–DCA flight time averages 3h 16m over 1,380 miles. Actual arrival times vary — flights on this route land 15+ minutes late 10% of the time.
- How often are SAT to DCA flights cancelled?
- 2.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from SAT to DCA?
- June 2026 was the roughest month in this dataset, with only 79% of arrivals on time. The best was September 2025 at 97%. If your dates are flexible, that 18-point gap is worth planning around.
Explore related pages
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Related guides
Based on 502 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.