Historical on-time performance
Chicago to Rochester
523 miData through May 2026Source: US DOT · BTS
Flights on MDW–ROC arrive on time 69% of the time over the last 12 months.
On-time rate69%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled1.7%of scheduled flights
based on 295 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 timep9050 minCancel1.7%Flights295
Why flights run late
Delay causes
- Airline25%
- Weather3%
- Air traffic (NAS)6%
- Late aircraft66%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline40%
- Weather60%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 5 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 → ROC
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Middays are the most reliable time of day to fly this route — 81% on time.
- Middays81% on time · p90 25 min · 369 flights
- Afternoons73% on time · p90 40 min · 203 flights
- Evenings61% on time · p90 70 min · 443 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 78% on time.
- Saturdays78% on time · p90 25 min · 124 flights · limited
- Sundays74% on time · p90 40 min · 158 flights · limited
- Tuesdays71% on time · p90 45 min · 164 flights · limited
- Wednesdays69% on time · p90 65 min · 164 flights · limited
- Mondays68% on time · p90 60 min · 172 flights · limited
- Thursdays68% on time · p90 45 min · 174 flights · limited
- Fridays67% on time · p90 50 min · 174 flights · limited
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