ORD (Chicago) to BIL (Billings) flights arrive on time 81% of the time. The most reliable airline on this route is null at 82%. The average delay is 51 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.ORD → BIL
ORD (Chicago) to BIL (Billings)
ORD → BIL on-time performance by month
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This route is on time most of the time. About 81% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Airlines are roughly equal on this route — null leads slightly at 82% vs SkyWest Airlines at 78%.
Airline Comparison
leads at 82% on time; SkyWest Airlines trails at 78%.
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 ~5 min. Best time: 4 AM (about 5 min).
Arriving at BIL
83% on timeWhen flights into BIL are late, the average delay is 71 minutes. Build buffer if you have ground plans.
If connecting at BIL: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.