Historical on-time performance
Chicago to Pittsburgh
402 miData through Dec 2025Source: US DOT · BTS
Flights on MDW–PIT arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 1,130 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time80%Medianon timep9035 minCancel1.0%Flights1,130
Why flights run late
Delay causes
- Airline33%
- Weather4%
- Air traffic (NAS)11%
- Late aircraft52%
- 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 MDW → PIT
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 89% on time.
- Mornings89% on time · p90 10 min · 970 flights
- Middays84% on time · p90 20 min · 1,042 flights
- Afternoons78% on time · p90 30 min · 441 flights
- Evenings71% on time · p90 45 min · 721 flights
- Overnights59% on time · p90 65 min · 606 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 82% on time.
- Wednesdays82% on time · p90 30 min · 568 flights
- Tuesdays81% on time · p90 25 min · 567 flights
- Saturdays80% on time · p90 30 min · 341 flights
- Mondays78% on time · p90 30 min · 599 flights
- Thursdays76% on time · p90 35 min · 597 flights
- Fridays75% on time · p90 35 min · 600 flights
- Sundays74% on time · p90 35 min · 508 flights
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