BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
ROC→BOS

Rochester, NY (ROC) to Boston, MA (BOS) flight delay odds

84.1% of 295 official scheduled ROC-to-BOS flights arrived on time; 10.5% arrived at least 30 minutes late and 1.0% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
84.1%arrived on time
10.5%30+ min late
1.0%cancelled
295scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.8%all scheduled flights
120+ minutes late2.7%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival-2.5 mincompleted flights

Which departure time was most reliable for ROC to BOS?

Among qualifying ROC-to-BOS departure window results, Late morning had the highest on-time rate: 90.7% of 43 flights. Evening was lowest at 59.2% across 49 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning13789.8%8.0%1.5%
Late morning4390.7%0.0%2.3%
Afternoon6686.4%6.1%0.0%
Evening4959.2%32.7%0.0%

Which weekday was most reliable for ROC to BOS?

Among qualifying ROC-to-BOS weekday results, Saturday had the highest on-time rate: 93.8% of 32 flights. Thursday was lowest at 72.1% across 43 flights.

DayFlightsOn time30+ minCancelled
Monday4493.2%2.3%2.3%
Tuesday4687.0%8.7%2.2%
Wednesday4376.7%16.3%0.0%
Thursday4372.1%18.6%0.0%
Friday4486.4%6.8%0.0%
Saturday3293.8%6.2%0.0%
Sunday4381.4%14.0%2.3%

Which airline was most reliable for ROC to BOS?

Among qualifying ROC-to-BOS airline results, Envoy Air had the highest on-time rate: 86.5% of 52 flights. Republic Airways was lowest at 83.5% across 243 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways24383.5%11.5%0.8%
Envoy Air5286.5%5.8%1.9%

Which month was most reliable for ROC to BOS?

Among qualifying ROC-to-BOS month results, March 2026 had the highest on-time rate: 87.1% of 31 flights. February 2026 was lowest at 75.0% across 16 flights.

MonthFlightsOn time30+ minCancelled
February 20261675.0%12.5%12.5%
March 20263187.1%12.9%0.0%
April 20267584.0%10.7%1.3%
May 20268782.8%8.0%0.0%
June 20268686.0%11.6%0.0%

What drove ROC to BOS delay minutes?

Late aircraft was the largest recorded ROC-to-BOS delay category, accounting for 35.1% of 3,306 BTS-attributed delay minutes during July 2025–June 2026.

Airline29.6%
Late aircraft35.1%
National airspace32.3%
Weather1.8%
Security1.1%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.