Route Reliability

Airport reliability

Rochester (ROC) on-time performance

How reliably flights leave Rochester, NY (ROC) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.

Historical performance Official DOT data through August 2026 · Not live flight status

Rochester, NY10,338 departures in 12 months

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Three-letter airport codes, nonstop U.S. domestic flights. One direction at a time.

Departures on time
74.2%
U.S. average 75.6%
Cancelled
2.9%
U.S. average 1.9%
60+ minutes late
9.4%
U.S. average 8.1%
Scheduled departures
10,338
12 months

What this means

ROC departures ran below the U.S. average.

  • 74.2% of the 10,338 scheduled departures from Rochester (ROC) arrived at their destination on time, 1.4 points lower than the U.S. average of 75.6%.
  • 2.9% of departures were cancelled (U.S. average 1.9%), and 9.4% arrived an hour or more late.
  • Flights arriving at ROC were on time 71.3% of the time.
  • Among airlines with at least 300 departures, Envoy Air was the most punctual from ROC (79.1%) and PSA Airlines the least (63.1%).
  • Over the last 3 years, October was the most reliable month for departures from ROC (86.7% on time) and January the least reliable (69.9%).
  • Cancellations peaked in July, when 4.9% of flights were cancelled.
  • Flights scheduled to depart 8 am to 9 am were the most punctual (87.8% on time); flights scheduled to depart 5 pm to 6 pm were the least (52.5%).

Airlines at ROC

Ranked by on-time arrival

Departures from ROC, September 2025 to August 2026. On time means arrived at the destination within 15 minutes of schedule.
AirlineOn timeCancelled 60+ min lateAvg delay when lateDepartures
Envoy AirSold as American Eagle 79.1%1.9% 7.5%86 min 982
American Airlines 78.6%1.9% 9.0%104 min 835
Delta Air Lines 78.3%2.4% 7.6%78 min 1,191
Republic AirwaysSold as American Eagle, Delta Connection, United Express 77.9%4.3% 7.8%83 min 1,925
JetBlue Airways 76.3%5.0% 8.0%90 min 721
Southwest Airlines 75.3%1.2% 6.9%66 min 2,129
Spirit Airlines 72.8%3.3% 13.0%119 min 92
SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska 67.4%3.7% 15.8%118 min 709
United Airlines 66.8%1.1% 12.5%91 min 624
PSA AirlinesSold as American Eagle 63.1%6.0% 14.2%110 min 992
Allegiant Air 45.7%1.4% 21.0%64 min 138

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On-time rate by departure hour

<6a 87.4%
6a 84.6%
7a 84.1%
8a 87.8%
9a Insufficient sample
10a 82.2%
11a 74.1%
12p 74.0%
1p 76.9%
2p 71.9%
3p 69.8%
4p 63.1%
5p 52.5%
6p 68.3%
7p 56.4%
8p 54.2%
9p Insufficient sample
Share of scheduled flights on time ROC average 74.2%
Departures from ROC by scheduled local departure hour, September 2025 to August 2026. Scale starts at zero.
Show as table
PeriodOn timeFlights
Departing before 6 am 87.4% 692
Departing 6 am to 7 am 84.6% 2,385
Departing 7 am to 8 am 84.1% 396
Departing 8 am to 9 am 87.8% 147
Departing 9 am to 10 am Insufficient sample 43
Departing 10 am to 11 am 82.2% 343
Departing 11 am to noon 74.1% 665
Departing noon to 1 pm 74.0% 1,463
Departing 1 pm to 2 pm 76.9% 611
Departing 2 pm to 3 pm 71.9% 445
Departing 3 pm to 4 pm 69.8% 268
Departing 4 pm to 5 pm 63.1% 417
Departing 5 pm to 6 pm 52.5% 1,067
Departing 6 pm to 7 pm 68.3% 926
Departing 7 pm to 8 pm 56.4% 289
Departing 8 pm to 9 pm 54.2% 179
Departing 9 pm to 10 pm Insufficient sample 2

Best and worst months at ROC

Jan 69.9%
Feb 73.8%
Mar 80.5%
Apr 81.6%
May 79.3%
Jun 78.1%
Jul 70.6%
Aug 74.5%
Sep 83.9%
Oct 86.7%
Nov 84.4%
Dec 74.3%
Share of scheduled flights on time 12-month average 74.2%
Departures from ROC by calendar month, September 2023 to August 2026 pooled. Scale starts at zero.
Show as table
PeriodOn timeFlights
January 69.9% 2,568
February 73.8% 2,531
March 80.5% 2,614
April 81.6% 2,654
May 79.3% 2,777
June 78.1% 2,777
July 70.6% 3,013
August 74.5% 2,913
September 83.9% 2,940
October 86.7% 2,992
November 84.4% 2,813
December 74.3% 2,769

Month by month, last 12 months

Sep 85.3%
Oct 80.9%
Nov 74.1%
Dec 60.6%
Jan 64.7%
Feb 68.2%
Mar 72.2%
Apr 81.0%
May 80.9%
Jun 78.9%
Jul 68.4%
Aug 73.3%
Share of scheduled flights on time U.S. average 75.6%
Departures from ROC, September 2025 to August 2026. Scale starts at zero.
Show as table
PeriodOn timeFlights
Sep 2025 85.3% 811
Oct 2025 80.9% 802
Nov 2025 74.1% 844
Dec 2025 60.6% 808
Jan 2026 64.7% 754
Feb 2026 68.2% 792
Mar 2026 72.2% 845
Apr 2026 81.0% 907
May 2026 80.9% 930
Jun 2026 78.9% 925
Jul 2026 68.4% 966
Aug 2026 73.3% 954

Busiest routes from ROC

Nonstop routes from ROC by scheduled flights, September 2025 to August 2026.
ToOn timeCancelledAirlinesFlights
Chicago (ORD) 73.1%2.4%42,367
Baltimore (BWI) 81.0%1.3%11,102
Atlanta (ATL) 77.6%2.3%11,043
Washington (DCA) 62.3%6.7%31,033
Charlotte (CLT) 79.5%1.7%31,012
Newark (EWR) 76.6%6.4%2627
New York (JFK) 78.5%5.4%1606
Chicago (MDW) 74.4%1.5%1527
Orlando (MCO) 61.1%1.6%3506
Boston (BOS) 80.1%3.0%2472
Detroit (DTW) 76.2%2.6%2463
Las Vegas (LAS) 77.9%0.8%1131
Washington (IAD) 77.4%2.4%2124
New York (LGA) 74.5%2.1%194
Punta Gorda (PGD) 49.3%1.4%171
Tampa (TPA) 64.0%0.0%150
Airliner parked at a terminal gate
Photo: Depositphotos (licensed stock, illustrative only). Credits

Sources & data dates

Source
U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
Period
September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
Data through
August 2026
Processed
2026-11-03
Scope
Scheduled nonstop domestic departures from Rochester, NY (ROC) by airlines that report to the DOT.
Method
Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.

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