Historical on-time performance
San Diego to Kansas City
1,333 miData through Dec 2025Source: US DOT · BTS
Flights on SAN–MCI arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled1.1%of scheduled flights
based on 378 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time77%Medianon timep9050 minCancel1.1%Flights378
Why flights run late
Delay causes
- Airline26%
- Weather0%
- Air traffic (NAS)7%
- Late aircraft67%
- 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 SAN → MCI
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 — 87% on time.
- Mornings87% on time · p90 15 min · 473 flights
- Middays75% on time · p90 40 min · 387 flights
- Afternoons71% on time · p90 60 min · 281 flights
- Evenings64% on time · p90 65 min · 310 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 81% on time.
- Saturdays81% on time · p90 35 min · 215 flights
- Sundays80% on time · p90 25 min · 237 flights
- Wednesdays77% on time · p90 40 min · 200 flights
- Tuesdays77% on time · p90 45 min · 200 flights
- Mondays74% on time · p90 40 min · 200 flights
- Thursdays74% on time · p90 60 min · 199 flights · limited
- Fridays68% on time · p90 50 min · 200 flights
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