Historical on-time performance
Chicago to Rochester
523 miData through Dec 2025Source: US DOT · BTS
Flights on MDW–ROC arrive on time 74% of the time over the last 12 months.
On-time rate74%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled1.6%of scheduled flights
based on 123 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time74%Medianon timep9055 minCancel1.6%Flights123
Why flights run late
Delay causes
- Airline21%
- Weather0%
- Air traffic (NAS)2%
- Late aircraft77%
- 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 → ROC
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Middays are the most reliable time of day to fly this route — 83% on time.
- Middays83% on time · p90 25 min · 379 flights
- Afternoons75% on time · p90 40 min · 193 flights · limited
- Overnights67% on time · p90 45 min · 124 flights · limited
- Evenings62% on time · p90 65 min · 442 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 79% on time.
- Saturdays79% on time · p90 20 min · 123 flights · limited
- Tuesdays74% on time · p90 30 min · 175 flights · limited
- Mondays73% on time · p90 40 min · 183 flights · limited
- Thursdays72% on time · p90 40 min · 181 flights · limited
- Sundays71% on time · p90 45 min · 146 flights · limited
- Wednesdays70% on time · p90 50 min · 175 flights · limited
- Fridays69% on time · p90 45 min · 181 flights · limited
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