ORD (Chicago) to RST (Rochester) flights arrive on time 70% of the time. The most reliable airline on this route is Republic Airways at 86%. The average delay is 70 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated May 2026.ORD → RST
ORD (Chicago) to RST (Rochester)
ORD → RST on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
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This route is delayed fairly often. About 70% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Republic Airways is significantly more reliable on this route at 86% on time vs SkyWest Airlines at 60%.
Airline Comparison
Republic Airways leads at 86% on time; SkyWest Airlines trails at 60%.
Accurate?
Good to know
Departing from ORD
80% on timeExpect ~20 min sitting on the taxiway after your gate pushes back. ORD has long runway queues.
TSA is currently ~34 min. Best time: 4 AM (about 5 min).
Arriving at RST
84% on timeWhen flights into RST are late, the average delay is 83 minutes. Build buffer if you have ground plans.
If connecting at RST: TSA is ~19 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated May 2026. Source: Bureau of Transportation Statistics.