ON TIMEBOARD

UA 513 on time

United Airlines 513: Denver to Bozeman at 1:44 p.m. (past 12 months)

On time
83%
220 flights · likely 78–88%
Cancelled
0.4%
of scheduled flights
Typical arrival
−6 min
median vs schedule
When late
+70 min
average delay
Similar flights
85%
UA, same route & hour

About 1 in 6 UA 513 flights from Denver arrived 15+ minutes late, diverted or cancelled over the past year (17%); 0.4% were cancelled. The typical flight landed 6 minutes early.

UA 513: DEN → BZN

Scheduled to leave Denver at 1:44 p.m. local time. Over the past year it arrived on time 83% of the time (220 flights), in line with other UA flights on the route at that hour (85%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Dec 2025: 77% on time (30 flights)77DecJan 2026: 97% on time (31 flights)97JanFeb 2026: 86% on time (28 flights)86FebMar 2026: 75% on time (28 flights)75MarMay 2026: too few flights (11 flights)MayJun 2026: 83% on time (30 flights)83JunJul 2026: 87% on time (31 flights)87JulAug 2026: 77% on time (31 flights)77Aug

By day of week

DayFlightsOn time
Monday3190%
Tuesday3187%
Wednesday3177%
Thursday3288%
Friday3281%
Saturday3291%
Sunday3168%

Why it was late

Late inbound plane 56%Airline (crew, maintenance, ops) 21%Air traffic & airport (NAS) 17%Severe weather 6%

All flights DEN → BZN · Connecting off UA 513? Check the risk

Questions

How often is UA 513 from DEN to BZN late?

United Airlines 513 from Denver, CO to Bozeman, MT arrived 15 or more minutes late, was diverted or was cancelled on 17% of 220 scheduled flights between September 2025 and August 2026. 0.4% 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.