Frederick Douglass Grtr Rochester International in July 2024

70.0%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 July 2024, reporting carriers scheduled 1,128 domestic departures from Frederick Douglass Grtr Rochester International (ROC). 70.0% left less than 15 minutes late and 71.9% reached their destination on time; 4.6% were cancelled.

Nationally that month, 68.5% of flights departed on time and 68.1% arrived on time, so ROC departures were 1.5 points above the national departure figure.

Flights arriving at ROC that month were on time 62.7% of the time (1,130 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 47%, air carrier 37% and national aviation system 14%.

On time 71.9%
Arrived 15+ minutes late 23.1%
Cancelled 4.6%
Diverted 0.4%

Every scheduled departure from ROC in July 2024, judged by arrival at the destination.

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

Measure	Jul 2024	Year earlier	ROC, 12 months to Jul 2026	All reported flights, Jul 2024
Departed on time	70.0%	—	75.3%	68.5%
Arrived on time	71.9%	—	74.8%	68.1%
Cancelled	4.6%	—	2.7%	2.9%
Average departure delay (late minutes only)	26.0 min	—	19.9 min	24.9 min
Scheduled departures a day	38	—	28	21,154
Scheduled departures	1,128	—	10,281	634,613

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
9E Endeavor Air	237	21%	63.7%	18.6 min	11.0%
WN Southwest Airlines	189	17%	79.4%	9.0 min	0.0%
UA United Airlines	114	10%	72.8%	24.1 min	1.8%
OH PSA Airlines	97	9%	69.1%	28.3 min	5.2%
YX Republic Airline	92	8%	91.3%	-3.1 min	1.1%
DL Delta Air Lines	91	8%	63.7%	37.7 min	8.8%
MQ Envoy Air	71	6%	84.5%	-0.4 min	0.0%
OO SkyWest Airlines	66	6%	84.8%	8.2 min	0.0%
B6 JetBlue Airways	62	5%	54.8%	26.5 min	4.8%
AA American Airlines	60	5%	53.3%	54.4 min	8.3%
NK Spirit Airlines	49	4%	73.5%	6.4 min	4.1%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ROC–JFK	Rochester to New York	155	61.3%	16.6 min	11.0%
ROC–ORD	Rochester to Chicago	140	74.3%	14.0 min	0.7%
ROC–DTW	Rochester to Detroit	116	74.1%	15.9 min	1.7%
ROC–BWI	Rochester to Baltimore	92	79.3%	10.6 min	0.0%
ROC–ATL	Rochester to Atlanta	91	63.7%	37.7 min	8.8%
ROC–CLT	Rochester to Charlotte	91	59.3%	41.3 min	6.6%
ROC–DCA	Rochester to Washington	89	71.9%	25.1 min	4.5%
ROC–LGA	Rochester to New York	85	63.5%	23.5 min	11.8%
ROC–EWR	Rochester to Newark	62	90.3%	9.2 min	3.2%
ROC–MCO	Rochester to Orlando	62	74.2%	7.4 min	3.2%
ROC–MDW	Rochester to Chicago	62	82.3%	10.0 min	0.0%
ROC–IAD	Rochester to Washington	61	88.5%	0.3 min	0.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), July 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2024	Minutes
Air carrier	36.8%	36.6%	9,504
Late-arriving aircraft	47.2%	42.7%	12,194
National Aviation System	14.1%	16.0%	3,654
Extreme weather	1.9%	4.6%	491
Security	0.0%	0.1%	0

25,843 delay minutes on 261 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 ROC on time in July 2024?

70.0% of 1,128 scheduled domestic departures left less than 15 minutes late, and 71.9% reached their destination on time. The national figures that month were 68.5% and 68.1%.

How does that compare with a year earlier?

July 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 July 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for ROC · methodology · corrections.