ON TIMEBOARD

UA 5543 on time

United Airlines 5543: Jackson to Denver at 10:45 a.m. (past 12 months)

On time
89%
310 flights · likely 85–92%
Cancelled
2.6%
of scheduled flights
Typical arrival
−23 min
median vs schedule
When late
+123 min
average delay
Similar flights
89%
UA, same route & hour

About 1 in 9 UA 5543 flights from Jackson arrived 15+ minutes late, diverted or cancelled over the past year (11%); 2.6% were cancelled. The typical flight landed 23 minutes early.

UA 5543: JAC → DEN

Scheduled to leave Jackson at 10:45 a.m. local time, operated by SkyWest as OO 5543. Over the past year it arrived on time 89% of the time (310 flights), in line with other UA flights on the route at that hour (89%). Last seen in the data Aug 9, 2026.

Month by month

40%70%100%Sep 2025: 97% on time (30 flights)97SepOct 2025: 87% on time (31 flights)87OctNov 2025: 86% on time (29 flights)86NovDec 2025: 81% on time (31 flights)81DecJan 2026: 94% on time (31 flights)94JanFeb 2026: 78% on time (27 flights)78FebMar 2026: 87% on time (31 flights)87MarApr 2026: 97% on time (30 flights)97AprMay 2026: 90% on time (31 flights)90MayJun 2026: 100% on time (26 flights)100JunJul 2026: too few flights (9 flights)JulAug 2026: too few flights (4 flights)Aug

By day of week

DayFlightsOn time
Monday4391%
Tuesday4391%
Wednesday4286%
Thursday4286%
Friday4288%
Saturday4994%
Sunday4990%

Why it was late

Late inbound plane 64%Airline (crew, maintenance, ops) 15%Severe weather 13%Air traffic & airport (NAS) 9%

All flights JAC → DEN · Connecting off UA 5543? Check the risk

Questions

How often is UA 5543 from JAC to DEN late?

United Airlines 5543 from Jackson, WY to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 11% of 310 scheduled flights between September 2025 and August 2026. 2.6% 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.