BWI (Baltimore) to PHX (Phoenix) flights arrive on time 76% of the time. The most reliable airline on this route is Southwest Airlines at 75%. The average delay is 56 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated October 2026.BWI → PHX
BWI (Baltimore) to PHX (Phoenix)
BWI → PHX on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is on time most of the time. About 76% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Airlines are roughly equal on this route — Southwest Airlines leads slightly at 75% vs Frontier Airlines at 72%.
Airline Comparison
Southwest Airlines leads at 75% on time; Frontier Airlines trails at 72%.
Accurate?
Good to know
Departing from BWI
79% on timeTSA is currently ~14 min. Best time: 4 AM (about 5 min).
Arriving at PHX
81% on timeWhen flights into PHX are late, the average delay is 69 minutes. Build buffer if you have ground plans.
If connecting at PHX: TSA is ~20 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Southwest Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of BWI? 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 October 2026. Source: Bureau of Transportation Statistics.