Rochester International in April 2025

78.6%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 April 2025, reporting carriers scheduled 103 domestic departures from Rochester International (RST). 78.6% left less than 15 minutes late and 73.8% reached their destination on time; 0.0% were cancelled.

Nationally that month, 80.6% of flights departed on time and 79.5% arrived on time, so RST departures were 2.0 points below the national departure figure.

A year earlier, in April 2024, the airport had 124 departures with 80.6% leaving on time: a change of −2.0 points, with flights down 17%.

Flights arriving at RST that month were on time 74.0% of the time (104 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 58%, late-arriving aircraft 18% and extreme weather 13%.

On time 73.8%
Arrived 15+ minutes late 26.2%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from RST in April 2025, judged by arrival at the destination.

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

Measure	Apr 2025	Apr 2024	RST, 12 months to Jul 2026	All reported flights, Apr 2025
Departed on time	78.6%	80.6%	70.3%	80.6%
Arrived on time	73.8%	79.8%	67.6%	79.5%
Cancelled	0.0%	0.0%	4.0%	0.8%
Average departure delay (late minutes only)	18.6 min	17.8 min	27.9 min	14.1 min
Scheduled departures a day	3	4	4	19,465
Scheduled departures	103	124	1,365	583,950

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	103	100%	73.8%	14.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
RST–ORD	Rochester to Chicago	103	73.8%	14.2 min	0.0%

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), April 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2025	Minutes
Air carrier	57.5%	32.7%	1,190
Late-arriving aircraft	18.0%	39.4%	373
National Aviation System	11.9%	22.2%	246
Extreme weather	12.6%	5.5%	260
Security	0.0%	0.2%	0

2,069 delay minutes on 27 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 April 2025?

78.6% of 103 scheduled domestic departures left less than 15 minutes late, and 73.8% reached their destination on time. The national figures that month were 80.6% and 79.5%.

How does that compare with a year earlier?

In April 2024, 80.6% of 124 departures left on time and 0.0% were cancelled, against 78.6% and 0.0% in April 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for April 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.