Rochester International in January 2026

61.9%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 January 2026, reporting carriers scheduled 105 domestic departures from Rochester International (RST). 61.9% left less than 15 minutes late and 61.0% reached their destination on time; 2.9% were cancelled.

Nationally that month, 75.6% of flights departed on time and 75.3% arrived on time, so RST departures were 13.7 points below the national departure figure.

A year earlier, in January 2025, the airport had 32 departures with 78.1% leaving on time: a change of −16.2 points, with flights up 228%.

Flights arriving at RST that month were on time 55.2% of the time (105 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, extreme weather 42%, air carrier 41% and late-arriving aircraft 11%.

On time 61.0%
Arrived 15+ minutes late 35.2%
Cancelled 2.9%
Diverted 1.0%

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

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

Measure	Jan 2026	Jan 2025	RST, 12 months to Jul 2026	All reported flights, Jan 2026
Departed on time	61.9%	78.1%	70.3%	75.6%
Arrived on time	61.0%	81.3%	67.6%	75.3%
Cancelled	2.9%	0.0%	4.0%	4.7%
Average departure delay (late minutes only)	50.4 min	18.6 min	27.9 min	16.7 min
Scheduled departures a day	4	1	4	18,133
Scheduled departures	105	32	1,365	544,003

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	64	61%	51.6%	69.4 min	3.1%
MQ Envoy Air	41	39%	75.6%	4.2 min	2.4%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
RST–ORD	Rochester to Chicago	91	58.2%	50.2 min	3.3%
RST–MSP	Rochester to Minneapolis	14	78.6%	7.2 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), January 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2026	Minutes
Air carrier	40.7%	37.3%	2,018
Late-arriving aircraft	11.4%	35.0%	568
National Aviation System	6.1%	18.0%	304
Extreme weather	41.8%	9.6%	2,073
Security	0.0%	0.1%	0

4,963 delay minutes on 37 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 January 2026?

61.9% of 105 scheduled domestic departures left less than 15 minutes late, and 61.0% reached their destination on time. The national figures that month were 75.6% and 75.3%.

How does that compare with a year earlier?

In January 2025, 78.1% of 32 departures left on time and 0.0% were cancelled, against 61.9% and 2.9% in January 2026.

Provenance

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