Historical on-time performance
El Paso to San Antonio
496 miData through May 2026Source: US DOT · BTS
Flights on ELP–SAT arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.1%of scheduled flights
based on 753 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time82%Medianon timep9035 minCancel0.1%Flights753
Why flights run late
Delay causes
- Airline15%
- Weather0%
- Air traffic (NAS)5%
- Late aircraft79%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 1 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ELP → SAT
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 94% on time.
- Mornings94% on time · p90 5 min · 479 flights
- Middays88% on time · p90 15 min · 663 flights
- Evenings77% on time · p90 40 min · 511 flights
- Afternoons75% on time · p90 40 min · 452 flights
- Overnights66% on time · p90 95 min · 259 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 85% on time.
- Wednesdays85% on time · p90 25 min · 319 flights
- Saturdays84% on time · p90 20 min · 255 flights
- Tuesdays84% on time · p90 25 min · 319 flights
- Thursdays81% on time · p90 30 min · 361 flights
- Mondays81% on time · p90 45 min · 362 flights
- Sundays81% on time · p90 30 min · 381 flights
- Fridays80% on time · p90 40 min · 367 flights
Keep exploring