Route
PHL → SAT
Philadelphia International Airport San Antonio International Airport
1,496 miles
Return route SAT → PHL →
How punctual is this route?
- On-time arrivals
- 71.6%
- Less than 15 minutes late
- Cancelled
- 2.5%
- Of scheduled flights
- Average delay when late
- 87 min
- Flights arriving 15+ minutes late
- Flights tracked
- 278
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 46%
- Late-arriving aircraft 38%
- Air traffic control & airport 12%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 65.5% | 29 |
| October 2025 | 77.4% | 31 |
| November 2025 | 0.0% | 1 |
| April 2026 | 87.5% | 24 |
| May 2026 | 60.5% | 38 |
| June 2026 | 76.0% | 51 |
| July 2026 | 72.4% | 61 |
| August 2026 | 67.5% | 43 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| American Airlines | 278 | 71.6% | 2.5% | 87 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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