ORD (Chicago) to TUS (Tucson) flights arrive on time 77% of the time. The most reliable airline on this route is United Airlines at 83%. The average delay is 62 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.ORD → TUS
ORD (Chicago) to TUS (Tucson)
ORD → TUS on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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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 incoming plane arriving late.
Accurate?
United Airlines edges out American Airlines on this route — 83% vs 75% on time.
Airline Comparison
United Airlines leads at 83% on time; American Airlines trails at 75%.
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 TUS
83% on timeWhen flights into TUS are late, the average delay is 69 minutes. Build buffer if you have ground plans.
If connecting at TUS: 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.