IAD (Washington) to SBN (South Bend) flights arrive on time 80% of the time. The most reliable airline on this route is Republic Airways at 79%. The average delay is 91 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated May 2026.IAD → SBN
IAD (Washington) to SBN (South Bend)
IAD → SBN on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is on time most of the time. About 80% 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 IAD
83% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. IAD has long runway queues.
TSA is currently ~8 min. Best time: 4 AM (about 5 min).
Arriving at SBN
80% on timeWhen flights into SBN are late, the average delay is 84 minutes. Build buffer if you have ground plans.
If connecting at SBN: TSA is ~14 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.