UA5520 CLD → DEN

United Airlines · Carlsbad, CA to Denver, CO · 93 flights observed, 2026-03-30 to 2026-06-30 · 840 mi

This flight has a strong track record — on time 96% of the time, with a low cancellation rate.

UA5520 covers more than one route in the data window — the stats below are for CLD → DEN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
96%
Median delay
-20 min
90th percentile
+4 min
Cancellation rate
0%

How often is UA5520 on time?

Across 93 flights on CLD → DEN from 2026-03-30 to 2026-06-30, UA5520 arrived within 15 minutes of schedule 96% of the time. The median arrival delay was -20 min, and the worst 10% of flights arrived +4 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time8996%
16-30 min11%
31-60 min11%
61-120 min00%
2+ hrs22%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032100%+7 min
2026-043097%-19 min
2026-053197%-18 min
2026-063093%-7 min

Performance by day of week

DayFlightsOn-time
Mon1493%
Tue1493%
Wed13100%
Thu13100%
Fri13100%
Sat13100%
Sun1385%

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