FlightRecord

Frederick Douglass Greater Rochester International Airport (ROC): Delays & On-Time Performance

Data through July 2026

Frederick Douglass Greater Rochester International Airport (ROC) is a tale of two seasons: departures ran 88% on-time in September 2024 but sank to 66% in December 2025. Across the year it averages 78% against a national 78%, over roughly 28 departures a day to 22 destinations.

Departures on-time
78%
left <15 min late
Avg dep delay
18 min
Arrivals on-time
75%
Cancelled
2.3%
Destinations
22
nonstop
Airlines
12

Plan your departure from ROC

The choices most likely to improve your odds, based on this airport’s historical record.

Best departure time
Around 8 a.m.
94% on-time
Best day to fly
Tuesday
80% on-time
Most reliable airline here
Republic Airways
85% on-time from ROC
Cancellation risk
2.3%
above the US average
Check routes from ROC ↓Compare nearby airports ↓

Monthly on-time trend

Monthly departure on-time percentage at ROC50%75%100%August 2024: 73% on-time (1,062 flights)73Aug 2024September 2024: 88% on-time (1,040 flights)88October 2024: 88% on-time (1,054 flights)88November 2024: 87% on-time (922 flights)87Nov 2024December 2024: 74% on-time (965 flights)74January 2025: 79% on-time (858 flights)79February 2025: 75% on-time (853 flights)75Feb 2025March 2025: 82% on-time (834 flights)82April 2025: 83% on-time (800 flights)83May 2025: 78% on-time (821 flights)78May 2025June 2025: 77% on-time (837 flights)77July 2025: 73% on-time (919 flights)73August 2025: 80% on-time (897 flights)80Aug 2025September 2025: 87% on-time (811 flights)87October 2025: 82% on-time (802 flights)82November 2025: 79% on-time (844 flights)79Nov 2025December 2025: 66% on-time (808 flights)66January 2026: 72% on-time (754 flights)72February 2026: 73% on-time (792 flights)73Feb 2026March 2026: 76% on-time (845 flights)76April 2026: 82% on-time (907 flights)82May 2026: 82% on-time (930 flights)82May 2026June 2026: 78% on-time (925 flights)78July 2026: 70% on-time (966 flights)70

Best time of day to depart from ROC

On-time percentage by scheduled departure hour at ROC5 a.m.: 89% on-time (1,507 flights)56 a.m.: 90% on-time (5,221 flights)67 a.m.: 92% on-time (913 flights)78 a.m.: 94% on-time (290 flights)89 a.m.: 83% on-time (208 flights)910 a.m.: 87% on-time (630 flights)1011 a.m.: 79% on-time (1,952 flights)1112 p.m.: 74% on-time (2,806 flights)121 p.m.: 78% on-time (1,310 flights)132 p.m.: 71% on-time (807 flights)143 p.m.: 65% on-time (587 flights)154 p.m.: 63% on-time (861 flights)165 p.m.: 67% on-time (2,613 flights)176 p.m.: 67% on-time (1,873 flights)187 p.m.: 63% on-time (538 flights)198 p.m.: 64% on-time (237 flights)20scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday78%21 min
Tuesdaybest80%18 min
Wednesday80%16 min
Thursday77%19 min
Friday77%19 min
Saturday78%17 min
Sunday74%21 min

Next: compare the busiest routes from ROC ↓

Busiest routes from ROC

RouteFlights/12moOn-timeAvg delay
ROC → ORD (Chicago)2,35576%19 min
ROC → BWI (Baltimore)1,10583%13 min
ROC → ATL (Atlanta)1,04179%16 min
ROC → DCA (Washington)1,03371%30 min
ROC → CLT (Charlotte)99480%20 min
ROC → JFK (New York)60680%18 min
ROC → EWR (Newark)60085%14 min
ROC → MCO (Orlando)50471%22 min
ROC → MDW (Chicago)49680%14 min
ROC → DTW (Detroit)48281%19 min
ROC → BOS (Boston)38484%14 min
ROC → IAD (Washington)15582%15 min
ROC → LAS (Las Vegas)14970%21 min
ROC → LGA (New York)12082%17 min

Compare airlines departing ROC ↓

Where flights into ROC come from

RouteFlights/12moOn-timeAvg delay
ORD (Chicago) → ROC2,33676%16 min
BWI (Baltimore) → ROC1,10574%15 min
ATL (Atlanta) → ROC1,04176%16 min
DCA (Washington) → ROC1,03270%24 min
CLT (Charlotte) → ROC99473%22 min
EWR (Newark) → ROC64680%14 min
JFK (New York) → ROC60670%22 min
MCO (Orlando) → ROC50377%13 min

Most reliable routes

  1. ROC → EWR85%
  2. ROC → BOS84%
  3. ROC → BWI83%
  4. ROC → IAD82%
  5. ROC → LGA82%

Most delay-prone routes

  1. ROC → LAS70%
  2. ROC → DCA71%
  3. ROC → MCO71%
  4. ROC → ORD76%
  5. ROC → ATL79%

What causes delays at ROC

Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing ROC.

  • Late-arriving aircraft39%
  • Airline operations31%
  • National airspace system25%
  • Weather5%

Alternative airports near Rochester

Other airports within 120 miles, compared on departure reliability.

AirportDistanceOn-time departuresAvg delay
BUF — Buffalo Niagara International Airport55 mi79%17 min
ELM — Elmira Corning Regional Airport77 mi80%19 min
SYR — Syracuse Hancock International Airport79 mi81%18 min

Compare the airport-level record first, then check the exact route you plan to book.

Airline performance at ROC

AirlineOn-time departuresAvg delayFlights
Republic Airways85%13 min2,995
Endeavor Air85%14 min1,357
Envoy Air84%12 min2,217
United Airlines82%17 min1,606
American Airlines80%21 min1,793
JetBlue Airways77%21 min1,514
Delta Air Lines75%18 min2,285
PSA Airlines75%27 min2,128
SkyWest Airlines75%27 min1,283
Spirit Airlines74%19 min813
Southwest Airlines73%18 min4,183
Allegiant Air54%27 min200

Frequently asked questions

How often are flights delayed at ROC?
22% of departures from Frederick Douglass Greater Rochester International Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 18 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from ROC?
Flights scheduled around 8 a.m. depart on time 94% of the time at ROC, versus 63% around 7 p.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at ROC?
In this dataset, December 2025 was the weakest month at ROC, with 66% of departures on time.
How often are flights cancelled at ROC?
2.3% of scheduled departures from ROC were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Related guides

Based on 22,374 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.