Historical on-time performance
Pittsburgh to Chicago
Flights on PIT–MDW arrive on time 78% of the time over the last 12 months.
based on 1,150 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time78%Medianon timep9035 minCancel0.9%Flights1,150
Why flights run late
Delay causes
- Airline26%
- Weather4%
- Air traffic (NAS)27%
- Late aircraft43%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline20%
- Weather80%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 10 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 PIT → MDW
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 64% to 88% on time.
- Mornings88% on time · p90 15 min · 1,190 flights
- Middays88% on time · p90 15 min · 605 flights
- Afternoons80% on time · p90 25 min · 663 flights
- Evenings77% on time · p90 40 min · 578 flights
- Overnights64% on time · p90 70 min · 564 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 84% on time.
- Saturdays84% on time · p90 20 min · 353 flights
- Tuesdays82% on time · p90 25 min · 521 flights
- Wednesdays82% on time · p90 25 min · 526 flights
- Thursdays82% on time · p90 25 min · 563 flights
- Mondays82% on time · p90 25 min · 558 flights
- Fridays81% on time · p90 30 min · 565 flights
- Sundays76% on time · p90 40 min · 514 flights
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