ON TIMEBOARD

UA 5300 on time

United Airlines 5300: Aspen to Houston at 7:15 a.m. (past 12 months)

On time
82%
211 flights · likely 76–87%
Cancelled
4.7%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+83 min
average delay
Similar flights
82%
UA, same route & hour

About 1 in 6 UA 5300 flights from Aspen arrived 15+ minutes late, diverted or cancelled over the past year (18%); 4.7% were cancelled. The typical flight landed 10 minutes early.

UA 5300: ASE → IAH

Scheduled to leave Aspen at 7:15 a.m. local time, operated by SkyWest as OO 5300. Over the past year it arrived on time 82% of the time (211 flights), in line with other UA flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jun 2025: too few flights (4 flights)JunJul 2025: 61% on time (31 flights)61JulAug 2025: 72% on time (18 flights)72AugDec 2025: too few flights (13 flights)DecJan 2026: 74% on time (31 flights)74JanFeb 2026: 79% on time (28 flights)79FebMar 2026: 77% on time (31 flights)77MarApr 2026: too few flights (6 flights)AprMay 2026: too few flights (10 flights)MayJun 2026: 83% on time (30 flights)83JunJul 2026: 84% on time (31 flights)84JulAug 2026: 90% on time (31 flights)90Aug

By day of week

DayFlightsOn time
Monday3080%
Tuesday2986%
Wednesday2986%
Thursday2976%
Friday3184%
Saturday3288%
Sunday3174%

Why it was late

Severe weather 34%Airline (crew, maintenance, ops) 34%Late inbound plane 17%Air traffic & airport (NAS) 15%

All flights ASE → IAH · Connecting off UA 5300? Check the risk

Questions

How often is UA 5300 from ASE to IAH late?

United Airlines 5300 from Aspen, CO to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 18% of 211 scheduled flights between September 2025 and August 2026. 4.7% 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.