Rochester International in April 2026

76.0%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 April 2026, reporting carriers scheduled 100 domestic departures from Rochester International (RST). 76.0% left less than 15 minutes late and 74.0% reached their destination on time; 4.0% were cancelled.

Nationally that month, 79.1% of flights departed on time and 78.9% arrived on time, so RST departures were 3.1 points below the national departure figure.

A year earlier, in April 2025, the airport had 103 departures with 78.6% leaving on time: a change of −2.6 points, with flights down 3%.

Flights arriving at RST that month were on time 63.0% of the time (100 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 33%, national aviation system 28% and extreme weather 20%.

On time 74.0%
Arrived 15+ minutes late 22.0%
Cancelled 4.0%
Diverted 0.0%

Every scheduled departure from RST in April 2026, judged by arrival at the destination.

April 2026 against a year earlier, the airport's year and the nation

Measure	Apr 2026	Apr 2025	RST, 12 months to Jul 2026	All reported flights, Apr 2026
Departed on time	76.0%	78.6%	70.3%	79.1%
Arrived on time	74.0%	73.8%	67.6%	78.9%
Cancelled	4.0%	0.0%	4.0%	0.9%
Average departure delay (late minutes only)	19.8 min	18.6 min	27.9 min	14.5 min
Scheduled departures a day	3	3	4	19,931
Scheduled departures	100	103	1,365	597,919

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	88	88%	71.6%	13.7 min	4.5%
OO SkyWest Airlines	12	12%	91.7%	4.4 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
RST–ORD	Rochester to Chicago	90	72.2%	13.3 min	4.4%
RST–MSP	Rochester to Minneapolis	10	90.0%	6.0 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 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2026	Minutes
Air carrier	19.7%	33.5%	398
Late-arriving aircraft	32.6%	40.4%	658
National Aviation System	27.7%	21.0%	560
Extreme weather	20.0%	5.0%	405
Security	0.0%	0.1%	0

2,021 delay minutes on 22 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 2026?

76.0% of 100 scheduled domestic departures left less than 15 minutes late, and 74.0% reached their destination on time. The national figures that month were 79.1% and 78.9%.

How does that compare with a year earlier?

In April 2025, 78.6% of 103 departures left on time and 0.0% were cancelled, against 76.0% and 4.0% in April 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for April 2026; 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.