Historical on-time performance
Baltimore to San Antonio
Flights on BWI–SAT arrive on time 76% of the time over the last 12 months.
based on 738 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time76%Medianon timep9045 minCancel1.4%Flights738
Why flights run late
Delay causes
- Airline28%
- Weather4%
- Air traffic (NAS)17%
- Late aircraft49%
- Security3%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline20%
- Weather80%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 10 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 BWI → SAT
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 58% to 85% on time.
- Mornings85% on time · p90 20 min · 802 flights
- Middays82% on time · p90 25 min · 363 flights
- Afternoons66% on time · p90 75 min · 264 flights
- Evenings64% on time · p90 60 min · 659 flights
- Overnights58% on time · p90 75 min · 402 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 66% to 79% on time.
- Wednesdays79% on time · p90 30 min · 341 flights
- Tuesdays75% on time · p90 35 min · 344 flights
- Sundays75% on time · p90 45 min · 334 flights
- Mondays72% on time · p90 50 min · 405 flights
- Thursdays72% on time · p90 40 min · 396 flights
- Fridays69% on time · p90 55 min · 411 flights
- Saturdays66% on time · p90 55 min · 259 flights
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