BWI (Baltimore) to SLC (Salt Lake City) flights arrive on time 82% of the time. The most reliable airline on this route is Delta Air Lines at 86%. The average delay is 59 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated March 2026.BWI → SLC
BWI (Baltimore) to SLC (Salt Lake City)
BWI → SLC 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 airline (crew, maintenance, or boarding).
Accurate?
Delta Air Lines edges out Southwest Airlines on this route — 86% vs 78% on time.
Airline Comparison
Delta Air Lines leads at 86% on time; Southwest Airlines trails at 78%.
Accurate?
Good to know
Departing from BWI
78% on timeTSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at SLC
85% on timeWhen flights into SLC are late, the average delay is 70 minutes. Build buffer if you have ground plans.
If connecting at SLC: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
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Data last updated March 2026. Source: Bureau of Transportation Statistics.