UA4733 BOI → DEN

United Airlines · Boise, ID to Denver, CO · 19 flights observed, 2025-12-18 to 2026-01-05 · 649 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -7 min, while the worst 10% run +153 min or later.

UA4733 covers more than one route in the data window — the stats below are for BOI → DEN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
74%
Median delay
-7 min
90th percentile
+153 min
Cancellation rate
0%

How often is UA4733 on time?

Across 19 flights on BOI → DEN from 2025-12-18 to 2026-01-05, UA4733 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +153 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time1474%
16-30 min15%
31-60 min15%
61-120 min15%
2+ hrs211%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121471%+40 min
2026-01580%+74 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue2100%
Wed2100%
Thu367%
Fri333%
Sat3100%
Sun367%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…