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

Chicago, IL (MDW) to Rochester, NY (ROC) flight delay odds

67.5% of 465 official scheduled MDW-to-ROC flights arrived on time; 19.6% arrived at least 30 minutes late and 1.7% 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
67.5%arrived on time
19.6%30+ min late
1.7%cancelled
465scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.7%all scheduled flights
120+ minutes late2.8%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+14.7 mincompleted flights

Which departure time was most reliable for MDW to ROC?

Among qualifying MDW-to-ROC departure window results, Afternoon had the highest on-time rate: 77.1% of 218 flights. Evening was lowest at 57.6% across 224 flights.

Departure windowFlightsOn time30+ minCancelled
Afternoon21877.1%11.9%0.5%
Evening22457.6%27.7%2.7%

Which weekday was most reliable for MDW to ROC?

Among qualifying MDW-to-ROC weekday results, Tuesday had the highest on-time rate: 74.3% of 70 flights. Thursday was lowest at 58.8% across 68 flights.

DayFlightsOn time30+ minCancelled
Monday6960.9%23.2%4.3%
Tuesday7074.3%17.1%0.0%
Wednesday6872.1%16.2%1.5%
Thursday6858.8%22.1%1.5%
Friday6966.7%24.6%2.9%
Saturday5269.2%13.5%1.9%
Sunday6971.0%18.8%0.0%

Which airline was most reliable for MDW to ROC?

Only Southwest Airlines met the MDW-to-ROC airline threshold: 67.5% of 465 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines46567.5%19.6%1.7%

Which month was most reliable for MDW to ROC?

Among qualifying MDW-to-ROC month results, October 2025 had the highest on-time rate: 83.9% of 31 flights. March 2026 was lowest at 50.0% across 58 flights.

MonthFlightsOn time30+ minCancelled
July 20253164.5%19.4%3.2%
August 20253167.7%16.1%3.2%
September 20253080.0%6.7%0.0%
October 20253183.9%9.7%0.0%
November 20252766.7%18.5%3.7%
December 20252965.5%24.1%3.4%
January 20262774.1%18.5%0.0%
February 20262774.1%14.8%0.0%
March 20265850.0%36.2%1.7%
April 20265773.7%5.3%3.5%
May 20265773.7%12.3%0.0%
June 20266055.0%38.3%1.7%

What drove MDW to ROC delay minutes?

Late aircraft was the largest recorded MDW-to-ROC delay category, accounting for 58.2% of 8,152 BTS-attributed delay minutes during July 2025–June 2026.

Airline29.6%
Late aircraft58.2%
National airspace7.8%
Weather4.5%
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.