BOS Boston
Boston Logan International
Best time through security: 4 AM (about 5 min)
Most reliable airline here: Allegiant Air (90% on time)
Why delays happen: The most common reason for departure delays here is the incoming plane arriving late.
Get a pre-flight briefing for BOS
Delay risk, TSA wait, and weather — emailed before your flight. Free.
Common questions about BOS
Are there delays at BOS right now?
No active delays at BOS right now. Historically, BOS runs on time 77% of the time.
How long is TSA at BOS?
Estimated wait right now: very quiet — expect minimal lines at this hour. Fastest time: 4 AM (about 5 min). Busiest: 7 AM (25-31 minutes).
What usually causes delays at BOS?
The most common reason for departure delays here is the incoming plane arriving late. About 2% of flights get cancelled.
How long of a connection do I need?
BOS sees moderate delays — allow at least 90 minutes domestic, 2 hours international.