Frederick Douglass Grtr Rochester International in August 2025

79.2%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In August 2025, reporting carriers scheduled 897 domestic departures from Frederick Douglass Grtr Rochester International (ROC). 79.2% left less than 15 minutes late and 79.8% reached their destination on time; 1.6% were cancelled.

Nationally that month, 76.8% of flights departed on time and 76.3% arrived on time, so ROC departures were 2.4 points above the national departure figure.

A year earlier, in August 2024, the airport had 1,062 departures with 69.7% leaving on time: a change of +9.5 points, with flights down 16%.

Flights arriving at ROC that month were on time 74.5% of the time (898 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 38%, late-arriving aircraft 37% and national aviation system 22%.

On time 79.8%
Arrived 15+ minutes late 18.5%
Cancelled 1.6%
Diverted 0.1%

Every scheduled departure from ROC in August 2025, judged by arrival at the destination.

August 2025 against a year earlier, the airport's year and the nation

Measure	Aug 2025	Aug 2024	ROC, 12 months to Jul 2026	All reported flights, Aug 2025
Departed on time	79.2%	69.7%	75.3%	76.8%
Arrived on time	79.8%	71.0%	74.8%	76.3%
Cancelled	1.6%	4.6%	2.7%	1.1%
Average departure delay (late minutes only)	15.5 min	22.7 min	19.9 min	17.6 min
Scheduled departures a day	30	35	28	20,079
Scheduled departures	897	1,062	10,281	602,378

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
YX Republic Airline	169	19%	85.8%	-2.1 min	1.8%
WN Southwest Airlines	159	18%	83.6%	3.7 min	0.0%
OH PSA Airlines	98	11%	69.4%	26.8 min	3.1%
DL Delta Air Lines	91	10%	78.0%	1.3 min	2.2%
OO SkyWest Airlines	85	9%	78.8%	9.7 min	1.2%
B6 JetBlue Airways	62	7%	88.7%	-6.5 min	1.6%
UA United Airlines	62	7%	66.1%	26.4 min	4.8%
MQ Envoy Air	61	7%	82.0%	-1.3 min	0.0%
NK Spirit Airlines	61	7%	68.9%	14.3 min	1.6%
AA American Airlines	49	5%	89.8%	14.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ROC–ORD	Rochester to Chicago	191	77.5%	9.0 min	2.6%
ROC–BWI	Rochester to Baltimore	93	87.1%	3.1 min	0.0%
ROC–DCA	Rochester to Washington	92	69.6%	26.8 min	3.3%
ROC–ATL	Rochester to Atlanta	91	78.0%	1.3 min	2.2%
ROC–CLT	Rochester to Charlotte	77	84.4%	10.9 min	0.0%
ROC–JFK	Rochester to New York	62	88.7%	-6.5 min	1.6%
ROC–EWR	Rochester to Newark	56	85.7%	-3.3 min	1.8%
ROC–MCO	Rochester to Orlando	52	65.4%	16.9 min	0.0%
ROC–DTW	Rochester to Detroit	51	86.3%	6.8 min	0.0%
ROC–IAD	Rochester to Washington	31	96.8%	-11.1 min	0.0%
ROC–MDW	Rochester to Chicago	31	96.8%	-13.4 min	0.0%
ROC–LGA	Rochester to New York	26	61.5%	18.8 min	3.8%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), August 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2025	Minutes
Air carrier	37.9%	33.1%	4,866
Late-arriving aircraft	37.0%	40.5%	4,749
National Aviation System	22.3%	19.2%	2,870
Extreme weather	2.8%	7.0%	359
Security	0.0%	0.1%	0

12,844 delay minutes on 166 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left ROC on time in August 2025?

79.2% of 897 scheduled domestic departures left less than 15 minutes late, and 79.8% reached their destination on time. The national figures that month were 76.8% and 76.3%.

How does that compare with a year earlier?

In August 2024, 69.7% of 1,062 departures left on time and 4.6% were cancelled, against 79.2% and 1.6% in August 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for ROC · methodology · corrections.