Historical on-time performance
Washington to Rochester
289 miData through Dec 2025Source: US DOT · BTS
Flights on IAD–ROC arrive on time 62% of the time over the last 12 months.
On-time rate62%arrived within 15 min
p90 delay70 min1 in 10 flights is worse (tail risk)
Cancelled3.3%of scheduled flights
based on 61 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time62%Medianon timep9070 minCancel3.3%Flights61
Why flights run late
Delay causes
- Airline56%
- Weather0%
- Air traffic (NAS)12%
- Late aircraft32%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly IAD → ROC
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Evenings are the most reliable time of day to fly this route — 81% on time.
- Evenings81% on time · p90 40 min · 144 flights · limited
- Overnights62% on time · p90 95 min · 121 flights · limited
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