BWI (Baltimore) to DEN (Denver) flights arrive on time 78% of the time. The most reliable airline on this route is United Airlines at 86%. The average delay is 59 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated April 2026.BWI → DEN
BWI (Baltimore) to DEN (Denver)
BWI → DEN on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
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This route is on time most of the time. About 78% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
United Airlines is significantly more reliable on this route at 86% on time vs Frontier Airlines at 60%.
Airline Comparison
United Airlines leads at 86% on time; Frontier Airlines trails at 60%.
Accurate?
Good to know
Departing from BWI
78% on timeTSA is currently ~22 min. Best time: 4 AM (about 5 min).
Arriving at DEN
78% on timeWhen flights into DEN are late, the average delay is 67 minutes. Build buffer if you have ground plans.
If connecting at DEN: TSA is ~13 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated April 2026. Source: Bureau of Transportation Statistics.