Rochester International in May 2024

75.2%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 May 2024, reporting carriers scheduled 145 domestic departures from Rochester International (RST). 75.2% left less than 15 minutes late and 73.8% reached their destination on time; 1.4% were cancelled.

Nationally that month, 73.4% of flights departed on time and 72.3% arrived on time, so RST departures were 1.8 points above the national departure figure.

Flights arriving at RST that month were on time 64.8% of the time (145 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 47%, extreme weather 30% and national aviation system 19%.

On time 73.8%
Arrived 15+ minutes late 24.8%
Cancelled 1.4%
Diverted 0.0%

Every scheduled departure from RST in May 2024, judged by arrival at the destination.

May 2024 against a year earlier, the airport's year and the nation

Measure	May 2024	Year earlier	RST, 12 months to Jul 2026	All reported flights, May 2024
Departed on time	75.2%	—	70.3%	73.4%
Arrived on time	73.8%	—	67.6%	72.3%
Cancelled	1.4%	—	4.0%	1.4%
Average departure delay (late minutes only)	21.3 min	—	27.9 min	20.8 min
Scheduled departures a day	5	—	4	20,325
Scheduled departures	145	—	1,365	609,743

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	138	95%	73.9%	15.5 min	1.4%
MQ Envoy Air	7	5%	71.4%	20.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
RST–MSP	Rochester to Minneapolis	88	79.5%	9.1 min	0.0%
RST–ORD	Rochester to Chicago	57	64.9%	26.3 min	3.5%

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), May 2024.

Delay causes

BTS cause category	Share of delay minutes	National, May 2024	Minutes
Air carrier	46.6%	29.8%	1,419
Late-arriving aircraft	4.1%	43.0%	124
National Aviation System	19.4%	20.1%	591
Extreme weather	29.9%	7.0%	912
Security	0.0%	0.1%	0

3,046 delay minutes on 36 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 May 2024?

75.2% of 145 scheduled domestic departures left less than 15 minutes late, and 73.8% reached their destination on time. The national figures that month were 73.4% and 72.3%.

How does that compare with a year earlier?

May 2023 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2024; 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.