GRR (Grand Rapids) to BOS (Boston) flights arrive on time 94% of the time. The most reliable airline on this route is Allegiant Air at 94%. The average delay is 45 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated March 2026.GRR → BOS
GRR (Grand Rapids) to BOS (Boston)
GRR → BOS on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is usually on time. About 94% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Accurate?
Good to know
Departing from GRR
80% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. GRR has long runway queues.
TSA is currently ~12 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 ~16 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Allegiant Air owes you — refund rights, action plan, complaint email. Free.
Free flight briefing
Know before you go
Flying GRR → BOS? We'll brief you before takeoff.
Delay riskDOT stats + live data
TSA waitCurrent checkpoint lines
WeatherBoth airports
Gate & terminalLive updates
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated March 2026. Source: Bureau of Transportation Statistics.