Historical on-time performance
Kansas City to San Antonio
706 miData through Dec 2025Source: US DOT · BTS
Flights on MCI–SAT arrive on time 63% of the time over the last 12 months.
On-time rate63%arrived within 15 min
p90 delay90 min1 in 10 flights is worse (tail risk)
Cancelled0.8%of scheduled flights
based on 129 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time63%Medianon timep9090 minCancel0.8%Flights129
Why flights run late
Delay causes
- Airline12%
- Weather3%
- Air traffic (NAS)11%
- 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 MCI → SAT
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Middays are the most reliable time of day to fly this route — 88% on time.
- Middays88% on time · p90 15 min · 246 flights
- Afternoons77% on time · p90 35 min · 454 flights
- Evenings53% on time · p90 115 min · 59 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 86% on time.
- Tuesdays86% on time · p90 20 min · 91 flights · limited
- Wednesdays84% on time · p90 25 min · 88 flights · limited
- Sundays79% on time · p90 35 min · 197 flights · limited
- Fridays79% on time · p90 35 min · 123 flights · limited
- Thursdays78% on time · p90 30 min · 116 flights · limited
- Saturdays77% on time · p90 50 min · 73 flights · limited
- Mondays75% on time · p90 40 min · 118 flights · limited
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