Boise, ID → Denver, CO flight delays
BOI → DEN · all airlines · 248 flights · April 2026 · source: US BTS
This route is delayed
17%of the time, by +95 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
83%
Delayed 3h+
1.2%
Cancelled
0%
Avg when late
+95m
Best & worst day to fly
Most on-time
Wednesday
delayed 3%
Worst
Friday
delayed 31%
Which airline is most punctual on BOI → DEN?
Uniteddelayed 12%
SkyWestdelayed 13%
Southwestdelayed 25%
Frequently asked
How often is the Boise, ID to Denver, CO flight delayed?
About 17% of BOI → DEN flights arrive late (15+ minutes), by an average of 95 minutes when they do, based on 248 flights in April 2026.
Which airline is most punctual on BOI → DEN?
United, delayed 12% of the time — the best of the 3 airlines flying this route.
What is the best day to fly BOI → DEN?
Wednesday is the most on-time (delayed 3%), while Friday is the worst (delayed 31%).
Airport overviews