Historical on-time performance
Long Beach to St. Louis
1,581 miData through May 2026Source: US DOT · BTS
Flights on LGB–STL arrive on time 88% of the time over the last 12 months.
On-time rate88%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 91 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time88%Medianon timep9020 minCancel0.0%Flights91
Why flights run late
Delay causes
- Airline16%
- Weather0%
- Air traffic (NAS)5%
- Late aircraft78%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline33%
- Weather67%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 3 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 LGB → STL
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 — 96% on time.
- Mornings96% on time · p90 5 min · 217 flights
- Middays86% on time · p90 15 min · 644 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 83% to 94% on time.
- Saturdays94% on time · p90 5 min · 119 flights · limited
- Wednesdays91% on time · p90 10 min · 126 flights · limited
- Tuesdays89% on time · p90 15 min · 126 flights · limited
- Thursdays88% on time · p90 20 min · 126 flights · limited
- Sundays87% on time · p90 15 min · 126 flights · limited
- Mondays84% on time · p90 20 min · 126 flights · limited
- Fridays83% on time · p90 20 min · 126 flights · limited
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