Rochester International in August 2025

68.0%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 100 domestic departures from Rochester International (RST). 68.0% left less than 15 minutes late and 64.0% reached their destination on time; 4.0% were cancelled.

Nationally that month, 76.8% of flights departed on time and 76.3% arrived on time, so RST departures were 8.8 points below the national departure figure.

A year earlier, in August 2024, the airport had 117 departures with 83.8% leaving on time: a change of −15.8 points, with flights down 15%.

Flights arriving at RST that month were on time 61.0% of the time (100 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 51%, late-arriving aircraft 23% and national aviation system 18%.

On time 64.0%
Arrived 15+ minutes late 32.0%
Cancelled 4.0%
Diverted 0.0%

Every scheduled departure from RST 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	RST, 12 months to Jul 2026	All reported flights, Aug 2025
Departed on time	68.0%	83.8%	70.3%	76.8%
Arrived on time	64.0%	77.8%	67.6%	76.3%
Cancelled	4.0%	0.0%	4.0%	1.1%
Average departure delay (late minutes only)	22.8 min	8.2 min	27.9 min	17.6 min
Scheduled departures a day	3	4	4	20,079
Scheduled departures	100	117	1,365	602,378

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	74	74%	59.5%	28.8 min	5.4%
MQ Envoy Air	26	26%	76.9%	3.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
RST–ORD	Rochester to Chicago	83	63.9%	21.1 min	4.8%
RST–MSP	Rochester to Minneapolis	17	64.7%	25.2 min	0.0%

By scheduled departure hour

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	51.4%	33.1%	1,293
Late-arriving aircraft	22.7%	40.5%	571
National Aviation System	18.3%	19.2%	459
Extreme weather	7.6%	7.0%	191
Security	0.0%	0.1%	0

2,514 delay minutes on 32 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 RST on time in August 2025?

68.0% of 100 scheduled domestic departures left less than 15 minutes late, and 64.0% 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, 83.8% of 117 departures left on time and 0.0% were cancelled, against 68.0% and 4.0% 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 RST · methodology · corrections.