UA5239 DEN → LBB

United Airlines · Denver, CO to Lubbock, TX · 20 flights observed, 2026-03-05 to 2026-03-27 · 456 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -3 min, while the worst 10% run +59 min or later.

UA5239 covers more than one route in the data window — the stats below are for DEN → LBB, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
84%
Median delay
-3 min
90th percentile
+59 min
Cancellation rate
5%

How often is UA5239 on time?

Across 20 flights on DEN → LBB from 2026-03-05 to 2026-03-27, UA5239 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +59 min or later. 5% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1684%
16-30 min00%
31-60 min15%
61-120 min15%
2+ hrs15%

Performance by month

MonthFlightsOn-timeAvg delay
2026-031984%+10 min

Performance by day of week

DayFlightsOn-time
Mon3100%
Tue3100%
Wed3100%
Thu475%
Fri475%
SatNo data—
Sun250%

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