ORD (Chicago) to BOI (Boise) flights arrive on time 77% of the time. The most reliable airline on this route is United Airlines at 84%. The average delay is 67 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 → BOI
ORD (Chicago) to BOI (Boise)
ORD → BOI on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
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This route is on time most of the time. About 77% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
United Airlines edges out SkyWest Airlines on this route — 84% vs 73% on time.
Airline Comparison
United Airlines leads at 84% on time; SkyWest Airlines trails at 73%.
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 BOI
84% on timeWhen flights into BOI are late, the average delay is 62 minutes. Build buffer if you have ground plans.
If connecting at BOI: TSA is ~12 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.