Airport reliability
San Antonio (SAT) on-time performance
How reliably flights leave San Antonio, TX (SAT) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.
San Antonio, TX40,065 departures in 12 months
- Departures on time
- 80.8% U.S. average 75.6%
- Cancelled
- 1.2% U.S. average 1.9%
- 60+ minutes late
- 6.1% U.S. average 8.1%
- Scheduled departures
- 40,065 12 months
What this means
SAT departures beat the U.S. average.
- 80.8% of the 40,065 scheduled departures from San Antonio (SAT) arrived at their destination on time, 5.2 points higher than the U.S. average of 75.6%.
- 1.2% of departures were cancelled (U.S. average 1.9%), and 6.1% arrived an hour or more late.
- Flights arriving at SAT were on time 75.8% of the time.
- Among airlines with at least 300 departures, SkyWest Airlines was the most punctual from SAT (85.1%) and Envoy Air the least (74.8%).
- Over the last 3 years, November was the most reliable month for departures from SAT (86.3% on time) and July the least reliable (72.9%).
- Cancellations peaked in January, when 3.4% of flights were cancelled.
- Flights scheduled to depart before 6 am were the most punctual (92.7% on time); flights scheduled to depart 8 pm to 9 pm were the least (60.3%).
Airlines at SAT
Ranked by on-time arrival
| Airline | On time | Cancelled | 60+ min late | Avg delay when late | Departures |
|---|---|---|---|---|---|
| SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska | 85.1% | 1.2% | 5.7% | 111 min | 1,638 |
| Delta Air Lines | 84.3% | 1.5% | 5.2% | 81 min | 6,840 |
| United Airlines | 82.9% | 0.7% | 5.6% | 73 min | 5,647 |
| American Airlines | 79.9% | 2.2% | 8.3% | 111 min | 7,405 |
| Southwest Airlines | 79.4% | 0.5% | 5.3% | 53 min | 15,119 |
| Alaska Airlines | 78.0% | 1.1% | 5.8% | 57 min | 550 |
| Frontier Airlines | 76.8% | 0.5% | 9.6% | 86 min | 950 |
| Spirit Airlines | 76.0% | 4.3% | 8.1% | 88 min | 704 |
| Envoy AirSold as American Eagle | 74.8% | 2.4% | 8.0% | 67 min | 1,106 |
| Republic AirwaysSold as American Eagle, Delta Connection, United Express | 70.3% | 5.0% | 6.9% | 54 min | 101 |
| PSA AirlinesSold as American Eagle | Insufficient sample | 5 | |||
Tap a heading to sort.
On-time rate by departure hour
Share of scheduled flights on time SAT average 80.8%
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing before 6 am | 92.7% | 3,268 |
| Departing 6 am to 7 am | 90.5% | 4,844 |
| Departing 7 am to 8 am | 89.4% | 3,885 |
| Departing 8 am to 9 am | 87.9% | 1,926 |
| Departing 9 am to 10 am | 86.3% | 1,606 |
| Departing 10 am to 11 am | 85.6% | 1,549 |
| Departing 11 am to noon | 84.8% | 2,135 |
| Departing noon to 1 pm | 80.1% | 2,936 |
| Departing 1 pm to 2 pm | 75.7% | 2,644 |
| Departing 2 pm to 3 pm | 76.1% | 2,718 |
| Departing 3 pm to 4 pm | 74.4% | 1,864 |
| Departing 4 pm to 5 pm | 73.1% | 2,923 |
| Departing 5 pm to 6 pm | 68.6% | 2,541 |
| Departing 6 pm to 7 pm | 72.1% | 2,494 |
| Departing 7 pm to 8 pm | 67.1% | 1,378 |
| Departing 8 pm to 9 pm | 60.3% | 941 |
| Departing 9 pm to 10 pm | 65.1% | 384 |
| Departing 10 pm to 11 pm | Insufficient sample | 29 |
Best and worst months at SAT
Share of scheduled flights on time 12-month average 80.8%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 81.1% | 9,303 |
| February | 86.1% | 8,617 |
| March | 80.9% | 10,528 |
| April | 81.5% | 10,321 |
| May | 76.9% | 10,779 |
| June | 74.3% | 10,618 |
| July | 72.9% | 10,927 |
| August | 81.4% | 10,367 |
| September | 84.9% | 10,100 |
| October | 85.5% | 11,046 |
| November | 86.3% | 10,296 |
| December | 83.7% | 10,628 |
Month by month, last 12 months
Share of scheduled flights on time U.S. average 75.6%
Show as table
| Period | On time | Flights |
|---|---|---|
| Sep 2025 | 84.9% | 3,334 |
| Oct 2025 | 83.3% | 3,656 |
| Nov 2025 | 83.0% | 3,440 |
| Dec 2025 | 82.9% | 3,588 |
| Jan 2026 | 81.5% | 2,921 |
| Feb 2026 | 85.0% | 2,671 |
| Mar 2026 | 78.5% | 3,439 |
| Apr 2026 | 81.7% | 3,384 |
| May 2026 | 79.3% | 3,485 |
| Jun 2026 | 72.0% | 3,393 |
| Jul 2026 | 76.3% | 3,471 |
| Aug 2026 | 81.7% | 3,283 |
Busiest routes from SAT
| To | On time | Cancelled | Airlines | Flights |
|---|---|---|---|---|
| Dallas/Fort Worth (DFW) | 77.0% | 2.8% | 4 | 4,374 |
| Denver (DEN) | 81.4% | 0.5% | 4 | 3,063 |
| Atlanta (ATL) | 84.0% | 1.7% | 3 | 2,962 |
| Dallas (DAL) | 82.2% | 1.1% | 1 | 2,740 |
| Phoenix (PHX) | 80.7% | 0.4% | 4 | 2,509 |
| Houston (IAH) | 82.6% | 0.5% | 2 | 2,372 |
| Las Vegas (LAS) | 78.3% | 0.5% | 3 | 2,049 |
| Chicago (ORD) | 74.4% | 2.1% | 5 | 2,004 |
| Los Angeles (LAX) | 85.5% | 0.4% | 4 | 1,814 |
| Charlotte (CLT) | 85.7% | 1.8% | 1 | 1,360 |
| Houston (HOU) | 74.6% | 0.3% | 1 | 1,298 |
| Orlando (MCO) | 76.5% | 1.6% | 3 | 1,042 |
| Salt Lake City (SLC) | 85.7% | 0.9% | 1 | 1,014 |
| Nashville (BNA) | 77.1% | 0.5% | 1 | 957 |
| Detroit (DTW) | 89.8% | 0.7% | 1 | 934 |
| Minneapolis (MSP) | 84.6% | 1.2% | 1 | 898 |
| El Paso (ELP) | 79.2% | 0.1% | 1 | 737 |
| Baltimore (BWI) | 78.6% | 1.5% | 1 | 719 |
| Chicago (MDW) | 74.5% | 1.1% | 1 | 659 |
| Washington (IAD) | 91.9% | 0.6% | 1 | 644 |
Sources & data dates
- Source
- U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
- Period
- September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
- Data through
- August 2026
- Processed
- 2026-11-03
- Scope
- Scheduled nonstop domestic departures from San Antonio, TX (SAT) by airlines that report to the DOT.
- Method
- Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.