Historical on-time performance
Rochester to Baltimore
277 miData through May 2026Source: US DOT · BTS
Flights on ROC–BWI arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.4%of scheduled flights
based on 1,104 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time81%Medianon timep9035 minCancel1.4%Flights1,104
Why flights run late
Delay causes
- Airline39%
- Weather2%
- Air traffic (NAS)20%
- Late aircraft39%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline7%
- Weather60%
- Air traffic (NAS)33%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 15 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 ROC → BWI
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 94% on time.
- Mornings94% on time · p90 5 min · 1,116 flights
- Afternoons80% on time · p90 30 min · 603 flights
- Middays80% on time · p90 30 min · 1,111 flights
- Evenings68% on time · p90 55 min · 579 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 81% to 85% on time.
- Wednesdays85% on time · p90 20 min · 493 flights
- Tuesdays84% on time · p90 30 min · 494 flights
- Saturdays83% on time · p90 30 min · 469 flights
- Thursdays83% on time · p90 30 min · 488 flights
- Fridays82% on time · p90 35 min · 491 flights
- Mondays82% on time · p90 20 min · 488 flights
- Sundays81% on time · p90 30 min · 486 flights
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