ON TIMEBOARD

UA 5030 on time

United Airlines 5030: Denver to Butte at 8:20 p.m. (past 12 months)

On time
72%
339 flights · likely 67–77%
Cancelled
0.6%
of scheduled flights
Typical arrival
−5 min
median vs schedule
When late
+122 min
average delay
Similar flights
73%
UA, same route & hour

About 1 in 4 UA 5030 flights from Denver arrived 15+ minutes late, diverted or cancelled over the past year (28%); 0.6% were cancelled. The typical flight landed 5 minutes early.

UA 5030: DEN → BTM

Scheduled to leave Denver at 8:20 p.m. local time, operated by SkyWest as OO 5030. Over the past year it arrived on time 72% of the time (339 flights), in line with other UA flights on the route at that hour (73%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: too few flights (6 flights)SepOct 2025: 81% on time (31 flights)81OctNov 2025: 97% on time (29 flights)97NovDec 2025: 77% on time (30 flights)77DecJan 2026: 81% on time (31 flights)81JanFeb 2026: 79% on time (28 flights)79FebMar 2026: 81% on time (31 flights)81MarApr 2026: 70% on time (30 flights)70AprMay 2026: 55% on time (31 flights)55MayJun 2026: 50% on time (30 flights)50JunJul 2026: 61% on time (31 flights)61JulAug 2026: 61% on time (31 flights)61Aug

By day of week

DayFlightsOn time
Monday4971%
Tuesday4885%
Wednesday4873%
Thursday4764%
Friday4965%
Saturday4982%
Sunday4965%

Why it was late

Late inbound plane 40%Airline (crew, maintenance, ops) 39%Severe weather 13%Air traffic & airport (NAS) 8%

All flights DEN → BTM · Connecting off UA 5030? Check the risk

Questions

How often is UA 5030 from DEN to BTM late?

United Airlines 5030 from Denver, CO to Butte, MT arrived 15 or more minutes late, was diverted or was cancelled on 28% of 339 scheduled flights between September 2025 and August 2026. 0.6% 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.