BNA (Nashville) to PWM (Portland) flights arrive on time 83% of the time. The most reliable airline on this route is Southwest Airlines at 83%. The average delay is 43 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.BNA → PWM
BNA (Nashville) to PWM (Portland)
BNA → PWM on-time performance by month
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This route is on time most of the time. About 83% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
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Good to know
Departing from BNA
80% on timeExpect ~16 min sitting on the taxiway after your gate pushes back. BNA has long runway queues.
TSA is currently ~15 min. Best time: 4 AM (about 5 min).
Arriving at PWM
81% on timeWhen flights into PWM are late, the average delay is 76 minutes. Build buffer if you have ground plans.
If connecting at PWM: TSA is ~21 min right now. Allow at least 60 minutes for a domestic connection.
PWM has a 2.8% cancellation rate — keep the airline app handy for rebooking.
Flight cancelled or delayed?
Check what Southwest Airlines owes you — refund rights, action plan, complaint email. Free.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.