PBI (West Palm Beach) to ORD (Chicago) flights arrive on time 72% of the time. The most reliable airline on this route is United Airlines at 73%. The average delay is 92 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated October 2026.PBI → ORD
PBI (West Palm Beach) to ORD (Chicago)
PBI → ORD on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is delayed fairly often. About 72% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
United Airlines edges out Frontier Airlines on this route — 73% vs 61% on time.
Airline Comparison
United Airlines leads at 73% on time; Frontier Airlines trails at 61%.
Accurate?
Good to know
Departing from PBI
75% on timeExpect ~18 min sitting on the taxiway after your gate pushes back. PBI has long runway queues.
TSA is currently ~26 min. Best time: 4 AM (about 5 min).
Arriving at ORD
77% 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 ~18 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 PBI? 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.