Historical on-time performance
Long Beach to Chicago
1,741 miData through May 2026Source: US DOT · BTS
Flights on LGB–MDW arrive on time 89% of the time over the last 12 months.
On-time rate89%arrived within 15 min
p90 delay15 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 184 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time89%Medianon timep9015 minCancel0.0%Flights184
Why flights run late
Delay causes
- Airline27%
- Weather0%
- Air traffic (NAS)14%
- Late aircraft59%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline13%
- Weather83%
- Air traffic (NAS)4%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 24 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 → MDW
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 — 94% on time.
- Mornings94% on time · p90 5 min · 543 flights
- Middays84% on time · p90 20 min · 771 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 95% on time.
- Saturdays95% on time · p90 5 min · 123 flights · limited
- Wednesdays91% on time · p90 5 min · 203 flights
- Sundays90% on time · p90 10 min · 174 flights · limited
- Fridays88% on time · p90 15 min · 205 flights
- Thursdays88% on time · p90 15 min · 203 flights
- Tuesdays86% on time · p90 15 min · 203 flights
- Mondays80% on time · p90 30 min · 203 flights
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