Airport · ROC · Rochester, New York

Rochester, NY

Rochester, NY posts below-median on-time performance among the 382 tracked U.S. airports, as a high-volume U.S. airport. According to the U.S. DOT Bureau of Transportation Statistics, drawn from 126,934 flights (2020–2025); its biggest delay driver is late aircraft.

Compiled by PlainFlights Editorial, Flight Performance Editorial Team

Data updated 2026-06-13

82%
On-time: Top 67%
on-time, US airports: 77 min
Delay when late: 1.47%
Cancelled

Key Performance Metrics

Total Flights

126,934

Best Month

Oct 93.9%

Worst Month

Jul 89.6%

Delayed

22,826

Cancelled

1,866

60-65%

1
65-70%

4
70-75%

9
75-80%

48
80-85%

192
85-90%

116
90-95%

12

What this shows ROC is marked in the 80-85% band.

Delay Cause Breakdown

Top delay cause: Late Aircraft. Total delay minutes: 850,609.

Late Aircraft 37.2% (316,699 min)

Carrier 35.0% (297,436 min)

NAS (National Aviation System) 23.0% (195,283 min)

Weather 4.8% (40,591 min)

Security 0.1% (600 min)

Seasonal Performance Patterns

Monthly averages across all years of data. Best month: October (93.9% on-time). Most delays: July (89.6% on-time).

Month	Avg Flights	Avg Delayed	Avg Cancelled	On-Time %
December	1,740	376	23	89.7%
November	1,769	266	9	93.2%
October	1,822	239	6	93.9%
September	1,760	251	10	93.8%
August	1,816	375	24	90.8%
July	1,835	439	37	89.6%
June	1,700	350	30	91.1%
May	1,690	287	17	92.8%
April	1,718	291	61	92.5%
March	1,855	287	37	93%
February	1,687	306	26	91.3%
January	1,765	339	32	91.1%

Year-Over-Year Performance

Annual flight volume and on-time trends at ROC.

Year	Flights	Delayed	Cancelled	On-Time %
2025	20,158	2,159	201	89.3%
2024	23,873	2,171	206	90.9%
2023	26,102	2,130	232	91.8%
2022	25,163	2,174	551	91.4%
2021	16,899	1,073	105	93.7%
2020	14,739	567	571	96.2%

Cancellation & Diversion Analysis

Flight disruption statistics for Rochester, NY.

Cancellation Rate

1.47%

1,866 of 126,934 flights

Diversion Rate

0.07%

94 of 126,934 flights

Delay Rate

18.0%

22,826 of 126,934 flights

Monthly Performance

Recent 24 months of flight data.

Period	Flights	Dep Delayed	Arr Delayed	Cancelled	Diverted
Dec 2025	1,613	270	279	25	0
Nov 2025	1,688	173	197	31	1
Oct 2025	1,605	146	159	3	1
Sep 2025	1,619	103	129	4	3
Aug 2025	1,795	173	215	14	1
Jul 2025	1,838	242	259	39	1
Jun 2025	1,677	187	235	19	1
May 2025	1,634	182	209	9	3
Apr 2025	1,599	140	162	9	0
Mar 2025	1,666	151	195	8	0
Feb 2025	1,705	214	234	21	1
Jan 2025	1,719	178	203	19	2
Dec 2024	1,930	249	248	2	1
Nov 2024	1,842	120	141	0	0
Oct 2024	2,108	125	152	4	0
Sep 2024	2,081	120	158	2	1
Aug 2024	2,123	273	308	49	3
Jul 2024	2,258	286	363	52	4
Jun 2024	2,029	200	238	26	2
May 2024	2,052	202	265	9	3
Apr 2024	1,894	142	183	11	0
Mar 2024	1,870	120	147	0	2
Feb 2024	1,772	122	127	8	2
Jan 2024	1,914	212	257	43	4

Top Routes from ROC

Busiest routes to and from Rochester, NY.

Route	Flights	On-Time	Distance
ROC (Rochester) → ORD (Chicago)	9,546	81.5%	528 mi
ORD (Chicago) → ROC (Rochester)	9,405	81%	528 mi
JFK (New York) → ROC (Rochester)	8,521	78.6%	264 mi
ROC (Rochester) → JFK (New York)	8,520	83.7%	264 mi
DTW (Detroit) → ROC (Rochester)	6,509	86.6%	296 mi
ROC (Rochester) → DTW (Detroit)	6,509	88.3%	296 mi
BWI (Baltimore) → ROC (Rochester)	6,399	74.9%	277 mi
ROC (Rochester) → BWI (Baltimore)	6,398	86%	277 mi
ROC (Rochester) → CLT (Charlotte)	6,119	83.3%	573 mi
CLT (Charlotte) → ROC (Rochester)	6,118	79.2%	573 mi
ATL (Atlanta) → ROC (Rochester)	5,371	80.8%	749 mi
ROC (Rochester) → ATL (Atlanta)	5,371	85.1%	749 mi
DCA (Washington) → ROC (Rochester)	4,904	79.1%	296 mi
ROC (Rochester) → DCA (Washington)	4,904	80%	296 mi
LGA (New York) → ROC (Rochester)	4,016	85.1%	254 mi
ROC (Rochester) → LGA (New York)	4,016	85.6%	254 mi
EWR (Newark) → ROC (Rochester)	2,955	77.4%	246 mi
ROC (Rochester) → EWR (Newark)	2,760	83.9%	246 mi
ROC (Rochester) → MCO (Orlando)	2,243	75.8%	1,033 mi
MCO (Orlando) → ROC (Rochester)	2,241	82%	1,033 mi

Airports With a Similar On-Time Rate

Other U.S. airports nationwide whose on-time rate is closest to Rochester, NY's 82%.

Charlotte, NC

82% on-time 2,345,248 flights

Kansas City, MO

82% on-time 524,365 flights

Cleveland, OH

82% on-time 446,498 flights

Lubbock, TX

82% on-time 69,433 flights

Santa Fe, NM

82% on-time 26,561 flights

Cincinnati, OH

82.1% on-time 423,583 flights

Other Airports in New York

Compare performance with other New York airports.

LGA 81.2%

New York, NY

New York · 1,574,867 flights

JFK 79.4%

New York, NY

New York · 1,274,816 flights

BUF 80.6%

Buffalo, NY

Buffalo · 221,909 flights

SYR 81.5%

Syracuse, NY

Syracuse · 131,663 flights

ALB 80.9%

Albany, NY

Albany · 129,222 flights

HPN 79.1%

White Plains, NY

White Plains · 117,692 flights

ISP 77.9%

Islip, NY

Islip · 54,300 flights

ELM 84.5%

Elmira/Corning, NY

Elmira/Corning · 13,181 flights

Keep exploring

More flight data around Rochester, NY.

New York flight data

Statewide on-time and delay aggregates, plus every reporting airport in New York.

View NY data →

Airport rankings

See where ROC sits among U.S. airports on on-time rate and average delay.

Best on-time airports →

Compare airports

Put ROC head-to-head with another airport on delays and reliability.

Open comparison tool →

What the Data Says About ROC

Rochester, NY in Rochester, New York handled 126,934 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 82% on-time departure rate. Of those flights, 22,826 experienced delays, 1,866 were cancelled, and 94 were diverted. The cancellation rate works out to 1.47%, the diversion rate to 0.07%, and the average delay when departures run late is 77.1 minutes. These figures are the baseline for comparing ROC against other airports in the same state and nationally.

Breaking down what drives delays at ROC, Late Aircraft leads the pack. Late Aircraft accounts for 37.2% of total delay minutes, followed by Carrier at 35.0% and NAS (National Aviation System) at 23.0%. Weather contributes 4.8% of delay minutes at this airport, while security holds the smallest share at 0.1%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.

Seasonally, October runs the cleanest at ROC with a 93.9% on-time rate, while July is the roughest at 89.6% - a 4-point swing between best and worst month. Volume peaks in March, when average flights hit 1,855. The busiest route connecting ROC is to ORD (Chicago), with 9,546 flights at a 81.5% on-time rate. Combine these numbers - 82% on-time, 77.1-minute average delay, 1.47% cancellation rate, and you have a concrete picture of departure reliability at Rochester, NY.

Frequently Asked Questions

What is the on-time performance rate at Rochester, NY (ROC)? ▼

Rochester, NY has an overall on-time departure rate of 82%. Out of 126,934 total flights tracked, 22,826 experienced delays and 1,866 were cancelled.

What is the most common cause of delays at ROC? ▼

The top delay cause at Rochester, NY is Late Aircraft. Late Aircraft accounts for 37.2% of all delay minutes.

What is the average delay time at ROC? ▼

The average delay at Rochester, NY is 77.1 minutes. This includes delays from carrier issues, weather, National Aviation System constraints, security, and late-arriving aircraft.

What is the best month to fly from ROC? ▼

Based on historical data, October has the best on-time performance at ROC with 93.9% of flights departing on time.

What is the worst month for delays at ROC? ▼

July tends to have the most delays at ROC, with an on-time rate of only 89.6%.

How many routes operate from ROC? ▼

Rochester, NY serves at least 20 routes. The busiest route is ROC to ORD (Rochester - Chicago) with 9,546 flights.

What is the cancellation rate at ROC? ▼

Rochester, NY has a cancellation rate of 1.47%, based on 1,866 cancelled flights out of 126,934 total flights tracked.

Flight Guides

Data-driven guides to help you understand airport and flight performance.

Best & Worst Airlines for On-Time Performance

Which carriers consistently outperform peers

Why Flights Get Cancelled

Cancellation causes broken down by data

How to Choose Reliable Flight Routes

Use delay data to pick flights that arrive on time

Explore PlainFlights

All Airports

Browse US airports

Airlines

Compare carrier performance

Routes

Flight route performance

Rankings

Best on-time airports

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025). Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.

Read our methodology - how this data is sourced, computed, and verified.

Using ROC's data

An airport-level on-time rate is a starting point, not a guarantee for your specific flight.

Check the busiest route from ROC before you book a connection. See top routes
Travel in October rather than July if your dates are flexible. Seasonal patterns
Scores vary by airline and route within the same airport; check the specific carrier you're flying. Browse airlines

On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.

All airports → | Rankings →

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025 Accessed 2026-07-23

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.