BOS delays today: Boston Logan International has an on-time departure rate of about 77%. The FAA airport status for BOS typically shows an average delay of 74 minutes when departures are delayed. The most common reason for departure delays here is the incoming plane arriving late. Roughly 2% of flights are cancelled. The typical taxi-out time from gate to takeoff is about 21 minutes. The current TSA wait is about 17-23 minutes. The fastest time through security is 4 AM (about 5 min). The busiest period is 7 AM (25-31 minutes).
Source: BTS, FAA. Updated July 2026.BOS Boston Delays & Airport Status
Boston Logan International
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Delay Stats
Full breakdown →77% on timeAvg delay 74 min
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Security Lines
Full details →~20 minBest: 4 AM (about 5 min)
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Departures here are on time most of the time. About 77% of flights leave within 15 minutes of schedule.
The most common reason for departure delays here is the incoming plane arriving late.
Planes often wait a while before takeoff. The typical wait from gate to takeoff is about 21 minutes.
This airport occasional fog (~4 days/month), rainy (~12 precip days/month), tends to be windy (avg 12 mph).
Among major airlines, F9 has the most complaints (23.2/100k) while WN has the fewest (1.5/100k).
Accurate?
BOS departure performance by month
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Airlines at BOS
On-time departure rate from DOT data
Allegiant Air91%
Republic Airways81%
United Airlines80%
Alaska Airlines77%
Delta Air Lines77%
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