Historical on-time performance
Chicago to Salt Lake City
Flights on MDW–SLC arrive on time 69% of the time over the last 12 months.
based on 617 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time69%Medianon timep9040 minCancel1.9%Flights617
Why flights run late
Delay causes
- Airline31%
- Weather3%
- Air traffic (NAS)19%
- Late aircraft47%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline25%
- Weather67%
- Air traffic (NAS)8%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 12 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 MDW → SLC
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 65% to 85% on time.
- Mornings85% on time · p90 20 min · 633 flights
- Middays81% on time · p90 25 min · 420 flights
- Evenings74% on time · p90 40 min · 113 flights · limited
- Overnights65% on time · p90 60 min · 696 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 79% on time.
- Saturdays79% on time · p90 30 min · 215 flights
- Tuesdays78% on time · p90 35 min · 290 flights
- Mondays78% on time · p90 30 min · 298 flights
- Wednesdays76% on time · p90 35 min · 287 flights
- Thursdays76% on time · p90 40 min · 297 flights
- Sundays73% on time · p90 45 min · 273 flights
- Fridays73% on time · p90 35 min · 301 flights
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