Boston, MA → Baltimore, MD flight delays
BOS → BWI · all airlines · 322 flights · April 2026 · source: US BTS
This route is delayed
20%of the time, by +65 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
80%
Delayed 3h+
1.6%
Cancelled
0%
Avg when late
+65m
Best & worst day to fly
Most on-time
Tuesday
delayed 5%
Worst
Sunday
delayed 36%
Which airline is most punctual on BOS → BWI?
Republicdelayed 17%
Southwestdelayed 20%
Frequently asked
How often is the Boston, MA to Baltimore, MD flight delayed?
About 20% of BOS → BWI flights arrive late (15+ minutes), by an average of 65 minutes when they do, based on 322 flights in April 2026.
Which airline is most punctual on BOS → BWI?
Republic, delayed 17% of the time — the best of the 2 airlines flying this route.
What is the best day to fly BOS → BWI?
Tuesday is the most on-time (delayed 5%), while Sunday is the worst (delayed 36%).
Airport overviews