SEA (Seattle) to BNA (Nashville) flights arrive on time 77% of the time. The most reliable airline on this route is Delta Air Lines at 82%. The average delay is 46 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated March 2026.SEA → BNA
SEA (Seattle) to BNA (Nashville)
SEA → BNA on-time performance by month
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This route is on time most of the time. About 77% 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 — 82% vs 69% on time.
Airline Comparison
Delta Air Lines leads at 82% on time; Southwest Airlines trails at 69%.
Accurate?
Good to know
Departing from SEA
82% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. SEA has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at BNA
80% on timeWhen flights into BNA are late, the average delay is 64 minutes. Build buffer if you have ground plans.
If connecting at BNA: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.