BOI (Boise) to MDW (Chicago) flights arrive on time 83% of the time. The most reliable airline on this route is Southwest Airlines at 83%. The average delay is 33 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated August 2026.BOI → MDW
BOI (Boise) to MDW (Chicago)
BOI → MDW on-time performance by month
25
JanFebMarAprMayJunJulAugSepOctNovDec
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This route is on time most of the time. About 83% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Accurate?
Good to know
Departing from BOI
83% on timeExpect ~18 min sitting on the taxiway after your gate pushes back. BOI has long runway queues.
TSA is currently ~21 min. Best time: 4 AM (about 5 min).
Arriving at MDW
80% on timeWhen flights into MDW are late, the average delay is 58 minutes. Build buffer if you have ground plans.
If connecting at MDW: TSA is ~16 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Southwest Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of BOI? 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 August 2026. Source: Bureau of Transportation Statistics.