Rochester International in September 2024

87.0%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 September 2024, reporting carriers scheduled 138 domestic departures from Rochester International (RST). 87.0% left less than 15 minutes late and 84.8% reached their destination on time; 0.0% were cancelled.

Nationally that month, 84.4% of flights departed on time and 83.9% arrived on time, so RST departures were 2.6 points above the national departure figure.

A year earlier, in September 2023, the airport had 87 departures with 82.8% leaving on time: a change of +4.2 points, with flights up 59%.

Flights arriving at RST that month were on time 87.8% of the time (139 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 69%, air carrier 21% and national aviation system 10%.

On time 84.8%
Arrived 15+ minutes late 15.2%
Cancelled 0.0%
Diverted 0.0%

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

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

Measure	Sep 2024	Sep 2023	RST, 12 months to Jul 2026	All reported flights, Sep 2024
Departed on time	87.0%	82.8%	70.3%	84.4%
Arrived on time	84.8%	87.4%	67.6%	83.9%
Cancelled	0.0%	0.0%	4.0%	0.6%
Average departure delay (late minutes only)	13.0 min	15.8 min	27.9 min	10.6 min
Scheduled departures a day	5	3	4	19,421
Scheduled departures	138	87	1,365	582,622

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	57	41%	84.2%	17.5 min	0.0%
OO SkyWest Airlines	45	33%	82.2%	-3.9 min	0.0%
9E Endeavor Air	36	26%	88.9%	-6.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
RST–MSP	Rochester to Minneapolis	81	85.2%	-4.9 min	0.0%
RST–ORD	Rochester to Chicago	57	84.2%	17.5 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), September 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2024	Minutes
Air carrier	21.3%	38.6%	403
Late-arriving aircraft	68.5%	38.4%	1,294
National Aviation System	10.2%	18.2%	193
Extreme weather	0.0%	4.8%	0
Security	0.0%	0.1%	0

1,890 delay minutes on 21 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 September 2024?

87.0% of 138 scheduled domestic departures left less than 15 minutes late, and 84.8% reached their destination on time. The national figures that month were 84.4% and 83.9%.

How does that compare with a year earlier?

In September 2023, 82.8% of 87 departures left on time and 0.0% were cancelled, against 87.0% and 0.0% in September 2024.

Provenance

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