Route Reliability
San Antonio → Washington
SAT–DCA · 1,380 miles · San Antonio International Airport to Ronald Reagan Washington National Airport
90
Nerd Approved
WanderNerd Reliability Score
- 90%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 2.0%
- Cancelled
- 352
- Flights in the data
Data through May 2026.
American Airlines is the only airline in this data on this route, arriving on time 90% of the time across 352 flights. No comparison to make.
What the data says
Tuesdays have been rough.
SAT–DCA flights arrived on time 98% of the time on Fridays and just 82% on Tuesdays. That gap is worth planning around.
The breakdown
- Mon88%(49 flights)
- Tue82%(50 flights)
- Wed92%(48 flights)
- Thu92%(50 flights)
- Fri98%(49 flights)
- Sat90%(49 flights)
- Sun92%(50 flights)
94%
May
Jun 87% → May 94% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 87% | 30 |
| July 2025 | 89% | 28 |
| August 2025 | 90% | 30 |
| September 2025 | 97% | 30 |
| October 2025 | 94% | 31 |
| November 2025 | 90% | 30 |
| December 2025 | 87% | 23 |
| January 2026 | 87% | 23 |
| February 2026 | 93% | 28 |
| March 2026 | 87% | 31 |
| April 2026 | 90% | 30 |
| May 2026 | 94% | 31 |
Same trip, other airports
Keep nerding
Based on 352 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.