Boston (BOS) flight delays
Departures · 23 routes · 8,512 flights · May 2026 · source: US BTS
Departures from Boston (BOS) run late
21%of the time, by +63 min on average when they do.
This is the historical record, not today's status — for live departures, check the airport's own board.
On-time rate
79%
Delayed 3h+
1.1%
Cancelled
0.8%
Avg when late
+63m
Best & worst routes from Boston (BOS)
Busiest routes from Boston (BOS)
Boston, MA → Washington, DCdelayed 21%
Boston, MA → Chicago, ILdelayed 21%
Boston, MA → New York, NYdelayed 19%
Boston, MA → Atlanta, GAdelayed 19%
Boston, MA → San Francisco, CAdelayed 31%
Boston, MA → Philadelphia, PAdelayed 21%
Boston, MA → New York, NYdelayed 20%
Boston, MA → Los Angeles, CAdelayed 16%
Boston, MA → Charlotte, NCdelayed 14%
Boston, MA → Newark, NJdelayed 19%
Boston, MA → Orlando, FLdelayed 22%
Boston, MA → Dallas/Fort Worth, TXdelayed 23%
Frequently asked
How often are flights from Boston (BOS) delayed?
About 21% of departures from Boston (BOS) arrive late (15+ minutes), across 23 routes and 8,512 flights in May 2026, based on public US BTS data.
Which route from Boston (BOS) is most delayed?
Boston, MA → Nashville, TN is the least punctual departure (delayed 34%), while Boston, MA → Charlotte, NC is the most on-time (14%).
Delay figures are historical, from public US BTSpunctuality data — not a forecast for any given flight, and not a live status board. “%” is the share of departures arriving 15+ minutes late.