IAD (Washington) to PBI (West Palm Beach) flights arrive on time 82% of the time. The most reliable airline on this route is United Airlines at 82%. The average delay is 78 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated August 2026.IAD → PBI
IAD (Washington) to PBI (West Palm Beach)
IAD → PBI on-time performance by month
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This route is on time most of the time. About 82% 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 — United Airlines leads slightly at 82% vs Republic Airways at 80%.
Airline Comparison
United Airlines leads at 82% on time; Republic Airways trails at 80%.
Accurate?
Good to know
Departing from IAD
82% on timeExpect ~21 min sitting on the taxiway after your gate pushes back. IAD has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at PBI
75% on timeWhen flights into PBI are late, the average delay is 76 minutes. Build buffer if you have ground plans.
If connecting at PBI: TSA is ~5 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 IAD? 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.