Historical on-time performance
New Orleans to San Antonio
494 miData through Dec 2025Source: US DOT · BTS
Flights on MSY–SAT arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.9%of scheduled flights
based on 339 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time80%Medianon timep9035 minCancel0.9%Flights339
Why flights run late
Delay causes
- Airline13%
- Weather4%
- Air traffic (NAS)9%
- Late aircraft74%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly MSY → SAT
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 92% on time.
- Mornings92% on time · p90 10 min · 76 flights · limited
- Middays84% on time · p90 25 min · 299 flights
- Afternoons74% on time · p90 40 min · 696 flights
- Evenings64% on time · p90 80 min · 75 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 82% on time.
- Mondays82% on time · p90 30 min · 165 flights · limited
- Tuesdays80% on time · p90 35 min · 143 flights · limited
- Wednesdays80% on time · p90 40 min · 140 flights · limited
- Sundays79% on time · p90 35 min · 242 flights
- Saturdays76% on time · p90 45 min · 161 flights · limited
- Fridays75% on time · p90 45 min · 165 flights · limited
- Thursdays67% on time · p90 45 min · 165 flights · limited
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