Boston, MA → Philadelphia, PA flight delays
BOS → PHL · all airlines · 419 flights · April 2026 · source: US BTS
This route is delayed
24%of the time, by +101 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
76%
Delayed 3h+
1.9%
Cancelled
0%
Avg when late
+101m
Best & worst day to fly
Most on-time
Saturday
delayed 11%
Worst
Sunday
delayed 40%
Which airline is most punctual on BOS → PHL?
Republicdelayed 19%
Americandelayed 25%
JetBluedelayed 31%
Frequently asked
How often is the Boston, MA to Philadelphia, PA flight delayed?
About 24% of BOS → PHL flights arrive late (15+ minutes), by an average of 101 minutes when they do, based on 419 flights in April 2026.
Which airline is most punctual on BOS → PHL?
Republic, delayed 19% of the time — the best of the 3 airlines flying this route.
What is the best day to fly BOS → PHL?
Saturday is the most on-time (delayed 11%), while Sunday is the worst (delayed 40%).
Airport overviews