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

Rochester, NY (ROC) to Atlanta, GA (ATL) flight delay odds

78.7% of 1,040 official scheduled ROC-to-ATL flights arrived on time; 13.1% arrived at least 30 minutes late and 2.6% 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 SIGNALVariable
78.7%arrived on time
13.1%30+ min late
2.6%cancelled
1,040scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.5%all scheduled flights
120+ minutes late2.5%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+3.7 mincompleted flights

Which departure time was most reliable for ROC to ATL?

Among qualifying ROC-to-ATL departure window results, Early morning had the highest on-time rate: 82.5% of 365 flights. Evening was lowest at 74.8% across 314 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning36582.5%7.9%3.8%
Afternoon36178.1%13.9%1.9%
Evening31474.8%18.2%1.9%

Which weekday was most reliable for ROC to ATL?

Among qualifying ROC-to-ATL weekday results, Friday had the highest on-time rate: 83.6% of 152 flights. Sunday was lowest at 73.5% across 151 flights.

DayFlightsOn time30+ minCancelled
Monday15574.2%14.8%5.2%
Tuesday15681.4%10.9%1.3%
Wednesday15180.8%11.3%0.7%
Thursday15278.9%14.5%0.7%
Friday15283.6%10.5%2.0%
Saturday12378.0%11.4%4.1%
Sunday15173.5%17.9%4.6%

Which airline was most reliable for ROC to ATL?

Only Delta Air Lines met the ROC-to-ATL airline threshold: 78.7% of 1,040 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines1,04078.7%13.1%2.6%

Which month was most reliable for ROC to ATL?

Among qualifying ROC-to-ATL month results, September 2025 had the highest on-time rate: 92.7% of 82 flights. December 2025 was lowest at 47.7% across 88 flights.

MonthFlightsOn time30+ minCancelled
July 20259172.5%16.5%5.5%
August 20259178.0%13.2%2.2%
September 20258292.7%3.7%0.0%
October 20258889.8%2.3%0.0%
November 20258473.8%14.3%3.6%
December 20258847.7%38.6%5.7%
January 20268263.4%18.3%7.3%
February 20267880.8%16.7%0.0%
March 20269087.8%7.8%3.3%
April 20268892.0%3.4%0.0%
May 20269181.3%14.3%0.0%
June 20268783.9%8.0%3.4%

What drove ROC to ATL delay minutes?

Late aircraft was the largest recorded ROC-to-ATL delay category, accounting for 43.3% of 13,817 BTS-attributed delay minutes during July 2025–June 2026.

Airline28.6%
Late aircraft43.3%
National airspace16.3%
Weather11.8%
Security0.0%
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.