On-Time Report

Airports › Rochester (ROC) › May 2026

Airport month · May 2026

Frederick Douglass Grtr Rochester International in May 2026

81.2%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 2026, reporting carriers scheduled 930 domestic departures from Frederick Douglass Grtr Rochester International (ROC). 81.2% left less than 15 minutes late and 80.9% reached their destination on time; 1.0% were cancelled.

Nationally that month, 77.1% of flights departed on time and 77.6% arrived on time, so ROC departures were 4.1 points above the national departure figure.

A year earlier, in May 2025, the airport had 821 departures with 76.7% leaving on time: a change of +4.5 points, with flights up 13%.

Flights arriving at ROC that month were on time 79.4% of the time (930 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 42%, late-arriving aircraft 35% and national aviation system 22%.

Every scheduled departure from ROC in May 2026, judged by arrival at the destination.

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

MeasureMay 2026May 2025ROC, 12 months to Jul 2026All reported flights, May 2026
Departed on time81.2%76.7%75.3%77.1%
Arrived on time80.9%76.0%74.8%77.6%
Cancelled1.0%1.1%2.7%0.9%
Average departure delay (late minutes only)18.2 min16.3 min19.9 min16.0 min
Scheduled departures a day31272820,391
Scheduled departures93082110,281611,735

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
YX Republic Airline21323%86.4%-2.8 min1.9%
WN Southwest Airlines18520%78.4%6.0 min0.0%
MQ Envoy Air10411%85.6%12.3 min1.9%
DL Delta Air Lines9110%81.3%7.4 min0.0%
OH PSA Airlines9010%70.0%30.1 min2.2%
AA American Airlines819%82.7%-3.3 min0.0%
B6 JetBlue Airways657%90.8%-8.0 min1.5%
UA United Airlines647%65.6%21.8 min0.0%
OO SkyWest Airlines232%82.6%6.8 min0.0%
G4 Allegiant Air142%71.4%0.4 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
ROC–ORDRochester to Chicago22281.1%9.9 min1.4%
ROC–BWIRochester to Baltimore9387.1%1.6 min0.0%
ROC–CLTRochester to Charlotte9283.7%-3.7 min0.0%
ROC–ATLRochester to Atlanta9181.3%7.4 min0.0%
ROC–DCARochester to Washington9167.0%32.8 min3.3%
ROC–BOSRochester to Boston8782.8%-2.4 min0.0%
ROC–EWRRochester to Newark8188.9%1.2 min2.5%
ROC–MDWRochester to Chicago5784.2%-1.0 min0.0%
ROC–MCORochester to Orlando5362.3%19.5 min0.0%
ROC–JFKRochester to New York4295.2%-15.7 min2.4%
ROC–SRQRochester to Sarasota/Bradenton887.5%-9.6 min0.0%
ROC–PGDRochester to Punta Gorda560.0%12.8 min0.0%

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), May 2026.

Delay causes

BTS cause categoryShare of delay minutesNational, May 2026Minutes
Air carrier41.6%33.0%6,569
Late-arriving aircraft34.6%40.4%5,453
National Aviation System22.1%20.5%3,480
Extreme weather1.7%6.0%272
Security0.0%0.1%3
15,777 delay minutes on 168 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
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Questions and answers

How many flights left ROC on time in May 2026?

81.2% of 930 scheduled domestic departures left less than 15 minutes late, and 80.9% reached their destination on time. The national figures that month were 77.1% and 77.6%.

How does that compare with a year earlier?

In May 2025, 76.7% of 821 departures left on time and 1.1% were cancelled, against 81.2% and 1.0% in May 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2026; 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.