Historical on-time performance
El Paso to Chicago
1,237 miData through Dec 2025Source: US DOT · BTS
Flights on ELP–MDW arrive on time 86% of the time over the last 12 months.
On-time rate86%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 213 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time86%Medianon timep9020 minCancel0.5%Flights213
Why flights run late
Delay causes
- Airline23%
- Weather6%
- Air traffic (NAS)13%
- Late aircraft58%
- 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 ELP → MDW
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 83% to 93% on time.
- Mornings93% on time · p90 5 min · 101 flights · limited
- Middays87% on time · p90 15 min · 347 flights
- Afternoons83% on time · p90 45 min · 90 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 95% on time.
- Mondays95% on time · p90 5 min · 79 flights · limited
- Tuesdays93% on time · p90 10 min · 75 flights · limited
- Fridays90% on time · p90 20 min · 79 flights · limited
- Saturdays89% on time · p90 10 min · 73 flights · limited
- Sundays84% on time · p90 35 min · 79 flights · limited
- Thursdays82% on time · p90 30 min · 79 flights · limited
- Wednesdays80% on time · p90 25 min · 74 flights · limited
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