SLC (Salt Lake City) to DCA (Washington) flights arrive on time 85% of the time. The most reliable airline on this route is Delta Air Lines at 85%. The average delay is 51 minutes. Delays on this route are most often caused by air traffic and busy airspace.
Source: Bureau of Transportation Statistics. Updated March 2026.SLC → DCA
SLC (Salt Lake City) to DCA (Washington)
SLC → DCA on-time performance by month
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This route is on time most of the time. About 85% of flights arrive on schedule.
Delays on this route are most often caused by air traffic and busy airspace.
Accurate?
Accurate?
Good to know
Departing from SLC
85% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. SLC has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at DCA
79% on timeWhen flights into DCA are late, the average delay is 74 minutes. Build buffer if you have ground plans.
If connecting at DCA: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
DCA has a 2.6% cancellation rate — keep the airline app handy for rebooking.
Flight cancelled or delayed?
Check what Delta Air Lines owes you — refund rights, action plan, complaint email. Free.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.