Route
SLC → SAT
Salt Lake City International Airport San Antonio International Airport
1,087 miles
Return route SAT → SLC →
How punctual is this route?
- On-time arrivals
- 84.5%
- Less than 15 minutes late
- Cancelled
- 0.8%
- Of scheduled flights
- Average delay when late
- 68 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,013
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 68%
- Late-arriving aircraft 18%
- Air traffic control & airport 9%
- 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 | 84.2% | 77 |
| October 2025 | 92.9% | 84 |
| November 2025 | 83.1% | 78 |
| December 2025 | 85.7% | 87 |
| January 2026 | 79.1% | 87 |
| February 2026 | 82.1% | 78 |
| March 2026 | 92.0% | 89 |
| April 2026 | 81.0% | 85 |
| May 2026 | 84.7% | 86 |
| June 2026 | 84.9% | 86 |
| July 2026 | 78.7% | 89 |
| August 2026 | 85.1% | 87 |
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 |
|---|---|---|---|---|
| Delta Air Lines | 1,013 | 84.5% | 0.8% | 68 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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