MDW (Chicago) to PHX (Phoenix) flights arrive on time 79% of the time. The most reliable airline on this route is Southwest Airlines at 80%. The average delay is 53 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated April 2026.MDW → PHX
MDW (Chicago) to PHX (Phoenix)
MDW → PHX on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
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This route is on time most of the time. About 79% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Airlines are roughly equal on this route — Southwest Airlines leads slightly at 80% vs Frontier Airlines at 77%.
Airline Comparison
Southwest Airlines leads at 80% on time; Frontier Airlines trails at 77%.
Accurate?
Good to know
Departing from MDW
78% on timeTSA is currently ~25 min. Best time: 4 AM (about 5 min).
Arriving at PHX
82% on timeWhen flights into PHX are late, the average delay is 67 minutes. Build buffer if you have ground plans.
If connecting at PHX: TSA is ~14 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated April 2026. Source: Bureau of Transportation Statistics.