MDW (Chicago) to RDU (Raleigh) flights arrive on time 81% of the time. The most reliable airline on this route is Southwest Airlines at 82%. The average delay is 52 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated May 2026.MDW → RDU
MDW (Chicago) to RDU (Raleigh)
MDW → RDU on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
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This route is on time most of the time. About 81% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Southwest Airlines is significantly more reliable on this route at 82% on time vs Frontier Airlines at 67%.
Airline Comparison
Southwest Airlines leads at 82% on time; Frontier Airlines trails at 67%.
Accurate?
Good to know
Departing from MDW
78% on timeTSA is currently ~25 min. Best time: 4 AM (about 5 min).
Arriving at RDU
80% on timeWhen flights into RDU are late, the average delay is 72 minutes. Build buffer if you have ground plans.
If connecting at RDU: TSA is ~18 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated May 2026. Source: Bureau of Transportation Statistics.