TYS (Knoxville) to BOS (Boston) flights arrive on time 91% of the time. The most reliable airline on this route is Allegiant Air at 91%. The average delay is 48 minutes. Delays on this route are most often caused by air traffic and busy airspace.
Source: Bureau of Transportation Statistics. Updated May 2026.TYS → BOS
TYS (Knoxville) to BOS (Boston)
TYS → BOS on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
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This route is usually on time. About 91% of flights arrive on schedule.
Delays on this route are most often caused by air traffic and busy airspace.
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Good to know
Departing from TYS
80% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. TYS has long runway queues.
TSA is currently ~13 min. Best time: 4 AM (about 5 min).
Arriving at BOS
79% on timeWhen flights into BOS are late, the average delay is 74 minutes. Build buffer if you have ground plans.
If connecting at BOS: TSA is ~21 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated May 2026. Source: Bureau of Transportation Statistics.