BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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RST→ORD

Rochester, MN (RST) to Chicago, IL (ORD) flight delay odds

62.1% of 1,053 official scheduled RST-to-ORD flights arrived on time; 24.2% arrived at least 30 minutes late and 4.6% 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 SIGNALHigher disruption
62.1%arrived on time
24.2%30+ min late
4.6%cancelled
1,053scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late16.0%all scheduled flights
120+ minutes late7.6%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+25.2 mincompleted flights

Which departure time was most reliable for RST to ORD?

Among qualifying RST-to-ORD departure window results, Early morning had the highest on-time rate: 70.0% of 367 flights. Evening was lowest at 48.2% across 313 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning36770.0%18.0%4.9%
Late morning21468.2%18.2%3.3%
Afternoon15962.9%24.5%0.6%
Evening31348.2%35.5%7.0%

Which weekday was most reliable for RST to ORD?

Among qualifying RST-to-ORD weekday results, Tuesday had the highest on-time rate: 69.1% of 152 flights. Monday was lowest at 54.8% across 155 flights.

DayFlightsOn time30+ minCancelled
Monday15554.8%31.0%5.8%
Tuesday15269.1%19.7%3.3%
Wednesday14362.9%25.9%2.8%
Thursday15365.4%23.5%2.0%
Friday14955.7%24.8%6.0%
Saturday14768.0%22.4%3.4%
Sunday15459.1%22.1%8.4%

Which airline was most reliable for RST to ORD?

Among qualifying RST-to-ORD airline results, Envoy Air had the highest on-time rate: 69.7% of 547 flights. SkyWest Airlines was lowest at 54.0% across 506 flights.

AirlineFlightsOn time30+ minCancelled
Envoy Air54769.7%16.6%4.9%
SkyWest Airlines50654.0%32.4%4.2%

Which month was most reliable for RST to ORD?

Among qualifying RST-to-ORD month results, September 2025 had the highest on-time rate: 86.1% of 72 flights. December 2025 was lowest at 41.1% across 90 flights.

MonthFlightsOn time30+ minCancelled
July 20258948.3%34.8%3.4%
August 20258363.9%24.1%4.8%
September 20257286.1%8.3%1.4%
October 20258756.3%29.9%0.0%
November 20258964.0%23.6%7.9%
December 20259041.1%38.9%8.9%
January 20269158.2%28.6%3.3%
February 20268669.8%19.8%0.0%
March 20269454.3%22.3%10.6%
April 20269072.2%16.7%4.4%
May 20269381.7%11.8%4.3%
June 20268953.9%29.2%4.5%

What drove RST to ORD delay minutes?

Airline was the largest recorded RST-to-ORD delay category, accounting for 43.2% of 31,818 BTS-attributed delay minutes during July 2025–June 2026.

Airline43.2%
Late aircraft22.9%
National airspace18.3%
Weather15.5%
Security0.1%
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.