ORD (Chicago) to LEX (Lexington) flights arrive on time 76% of the time. The most reliable airline on this route is Republic Airways at 86%. The average delay is 73 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated October 2026.ORD → LEX
ORD (Chicago) to LEX (Lexington)
ORD → LEX on-time performance by month
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).
Republic Airways is significantly more reliable on this route at 86% on time vs PSA Airlines at 65%.
Airline Comparison
Republic Airways leads at 86% on time; PSA Airlines trails at 65%.
Good to know
Departing from ORD
77% on timeExpect ~22 min sitting on the taxiway after your gate pushes back. ORD has long runway queues.
TSA is currently ~36 min. Best time: 4 AM (about 5 min).
Arriving at LEX
80% on timeWhen flights into LEX are late, the average delay is 79 minutes. Build buffer if you have ground plans.
If connecting at LEX: TSA is ~25 min right now. Allow at least 60 minutes for a domestic connection.
Flying out of ORD? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated October 2026. Source: Bureau of Transportation Statistics.