UA1584 SBP → DEN

United Airlines · San Luis Obispo, CA to Denver, CO · 19 flights observed, 2025-12-18 to 2026-01-05 · 931 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -6 min, while the worst 10% run +140 min or later.

UA1584 covers more than one route in the data window — the stats below are for SBP → DEN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
72%
Median delay
-6 min
90th percentile
+140 min
Cancellation rate
0%

How often is UA1584 on time?

Across 19 flights on SBP → DEN from 2025-12-18 to 2026-01-05, UA1584 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +140 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1372%
16-30 min16%
31-60 min16%
61-120 min16%
2+ hrs211%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121369%+42 min
2026-01580%+39 min

Performance by day of week

DayFlightsOn-time
Mon3100%
Tue2100%
Wed250%
Thu3100%
Fri250%
Sat367%
Sun333%

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