ON TIMEBOARD

UA 5778 on time

United Airlines 5778: Aspen to Denver at 6:15 p.m. (past 12 months)

On time
65%
334 flights · likely 60–70%
Cancelled
6.9%
of scheduled flights
Typical arrival
−1 min
median vs schedule
When late
+86 min
average delay
Similar flights
63%
UA, same route & hour

About 1 in 3 UA 5778 flights from Aspen arrived 15+ minutes late, diverted or cancelled over the past year (35%); 6.9% were cancelled. The typical flight landed 1 minutes early.

UA 5778: ASE → DEN

Scheduled to leave Aspen at 6:15 p.m. local time, operated by SkyWest as OO 5778. Over the past year it arrived on time 65% of the time (334 flights), in line with other UA flights on the route at that hour (63%). Last seen in the data Aug 31, 2026.

Usually United Airlines's last flight of the day from Aspen to Denver (77% of days). United Airlines's last ASE–DEN flight was cancelled 7.4% of the time, against 4.6% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 7:30 a.m. the next morning.

Month by month

30%65%100%Sep 2025: 70% on time (30 flights)70SepOct 2025: 61% on time (31 flights)61OctNov 2025: 69% on time (29 flights)69NovDec 2025: 77% on time (31 flights)77DecJan 2026: 74% on time (31 flights)74JanFeb 2026: 68% on time (28 flights)68FebMar 2026: 74% on time (31 flights)74MarApr 2026: 86% on time (22 flights)86AprMay 2026: too few flights (10 flights)MayJun 2026: 60% on time (30 flights)60JunJul 2026: 37% on time (30 flights)37JulAug 2026: 45% on time (31 flights)45Aug

By day of week

DayFlightsOn time
Monday4967%
Tuesday4867%
Wednesday4873%
Thursday4661%
Friday4856%
Saturday4762%
Sunday4871%

Why it was late

Late inbound plane 38%Air traffic & airport (NAS) 28%Severe weather 19%Airline (crew, maintenance, ops) 15%

All flights ASE → DEN · Connecting off UA 5778? Check the risk

Questions

How often is UA 5778 from ASE to DEN late?

United Airlines 5778 from Aspen, CO to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 35% of 334 scheduled flights between September 2025 and August 2026. 6.9% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.