TYS (Knoxville) to ORD (Chicago) flights arrive on time 75% of the time. The most reliable airline on this route is United Airlines at 92%. The average delay is 87 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated August 2026.TYS → ORD
TYS (Knoxville) to ORD (Chicago)
TYS → ORD on-time performance by month
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This route is delayed fairly often. About 75% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
United Airlines is significantly more reliable on this route at 92% on time vs PSA Airlines at 63%.
Airline Comparison
United Airlines leads at 92% on time; PSA Airlines trails at 63%.
Accurate?
Good to know
Departing from TYS
78% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. TYS has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at ORD
75% on timeWhen flights into ORD are late, the average delay is 79 minutes. Build buffer if you have ground plans.
If connecting at ORD: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what United Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of TYS? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
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Data last updated August 2026. Source: Bureau of Transportation Statistics.