ORD (Chicago) to LEX (Lexington) flights arrive on time 76% of the time. The most reliable airline on this route is Republic Airways at 87%. 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 March 2026.ORD → LEX
ORD (Chicago) to LEX (Lexington)
ORD → LEX on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is on time most of the time. About 76% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Republic Airways edges out SkyWest Airlines on this route — 87% vs 76% on time.
Airline Comparison
Republic Airways leads at 87% on time; SkyWest Airlines trails at 76%.
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 LEX
82% on timeWhen flights into LEX are late, the average delay is 76 minutes. Build buffer if you have ground plans.
If connecting at LEX: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Republic Airways owes you — refund rights, action plan, complaint email. Free.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.