Historical on-time performance
Atlanta to Rochester
749 miData through May 2026Source: US DOT · BTS
Flights on ATL–ROC arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled2.6%of scheduled flights
based on 1,043 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time73%Medianon timep9040 minCancel2.6%Flights1,043
Why flights run late
Delay causes
- Airline52%
- Weather2%
- Air traffic (NAS)15%
- Late aircraft31%
- Security1%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline56%
- Weather44%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 27 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 ATL → ROC
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 73% to 84% on time.
- Middays84% on time · p90 25 min · 257 flights
- Mornings80% on time · p90 30 min · 835 flights
- Afternoons74% on time · p90 45 min · 888 flights
- Overnights73% on time · p90 50 min · 1,080 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 80% on time.
- Tuesdays80% on time · p90 35 min · 447 flights
- Wednesdays80% on time · p90 30 min · 446 flights
- Thursdays79% on time · p90 40 min · 454 flights
- Saturdays79% on time · p90 50 min · 372 flights
- Fridays74% on time · p90 40 min · 454 flights
- Mondays71% on time · p90 50 min · 455 flights
- Sundays69% on time · p90 50 min · 448 flights
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