Route Reliability
Philadelphia → San Antonio
PHL–SAT · 1,496 miles · Philadelphia International Airport to San Antonio International Airport
- 70%
- Arrive within 15 minutes
- 15 min
- Average arrival delay
- 1.9%
- Cancelled
- 210
- Flights in the data
Data through May 2026.
American Airlines is the only airline in this data on this route, arriving on time 70% of the time across 210 flights. No comparison to make.
What the data says
Morning-you made the right choice.
PHL–SAT flights departing between 6–9 AM arrived on time 80% of the time, versus 64% between 6–9 PM.
Thursdays have been rough.
PHL–SAT flights arrived on time 90% of the time on Mondays and just 64% on Thursdays. That gap is worth planning around.
Trending in the right direction.
PHL–SAT flights arrived on time 75% of the time over the last three months in the data, compared with 67% in the three months before that.
Flights on this route
The breakdown
- Mon90%(29 flights)
- Tue69%(29 flights)
- Wed71%(28 flights)
- Thu64%(28 flights)
- Fri66%(32 flights)
- Sat68%(31 flights)
- Sun66%(29 flights)
- 6–9 AM80%(59 flights)
- 9 AM–12 PM—(7 flights)
- 3–6 PM71%(55 flights)
- 6–9 PM64%(85 flights)
Jun 76% → May 61% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 76% | 25 |
| July 2025 | 83% | 29 |
| August 2025 | 52% | 29 |
| September 2025 | 66% | 29 |
| October 2025 | 77% | 31 |
| April 2026 | 88% | 24 |
| May 2026 | 61% | 38 |
Keep nerding
Based on 210 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.