Rochester International in December 2024

71.6%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 December 2024, reporting carriers scheduled 102 domestic departures from Rochester International (RST). 71.6% left less than 15 minutes late and 71.6% reached their destination on time; 2.9% were cancelled.

Nationally that month, 77.8% of flights departed on time and 78.1% arrived on time, so RST departures were 6.2 points below the national departure figure.

A year earlier, in December 2023, the airport had 88 departures with 90.9% leaving on time: a change of −19.3 points, with flights up 16%.

Flights arriving at RST that month were on time 68.6% of the time (102 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 74%, extreme weather 23% and national aviation system 2%.

On time 71.6%
Arrived 15+ minutes late 25.5%
Cancelled 2.9%
Diverted 0.0%

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

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

Measure	Dec 2024	Dec 2023	RST, 12 months to Jul 2026	All reported flights, Dec 2024
Departed on time	71.6%	90.9%	70.3%	77.8%
Arrived on time	71.6%	85.2%	67.6%	78.1%
Cancelled	2.9%	1.1%	4.0%	0.7%
Average departure delay (late minutes only)	31.6 min	9.4 min	27.9 min	16.6 min
Scheduled departures a day	3	3	4	19,686
Scheduled departures	102	88	1,365	590,581

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	78	76%	64.1%	29.8 min	3.8%
YX Republic Airline	14	14%	100.0%	-7.4 min	0.0%
9E Endeavor Air	10	10%	90.0%	-6.4 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
RST–MSP	Rochester to Minneapolis	88	67.0%	25.5 min	3.4%
RST–ORD	Rochester to Chicago	14	100.0%	-7.4 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), December 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2024	Minutes
Air carrier	74.1%	34.3%	2,144
Late-arriving aircraft	0.4%	40.2%	13
National Aviation System	2.2%	17.8%	63
Extreme weather	23.3%	7.5%	673
Security	0.0%	0.2%	0

2,893 delay minutes on 26 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 December 2024?

71.6% of 102 scheduled domestic departures left less than 15 minutes late, and 71.6% reached their destination on time. The national figures that month were 77.8% and 78.1%.

How does that compare with a year earlier?

In December 2023, 90.9% of 88 departures left on time and 1.1% were cancelled, against 71.6% and 2.9% in December 2024.

Provenance

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