ON TIMEBOARD

UA 1191 on time

United Airlines 1191: Burbank to Denver at 9:00 a.m. (past 12 months)

On time
91%
343 flights · likely 87–94%
Cancelled
0.3%
of scheduled flights
Typical arrival
−16 min
median vs schedule
When late
+82 min
average delay
Similar flights
90%
UA, same route & hour

About 1 in 11 UA 1191 flights from Burbank arrived 15+ minutes late, diverted or cancelled over the past year (9%); 0.3% were cancelled. The typical flight landed 16 minutes early.

UA 1191: BUR → DEN

Scheduled to leave Burbank at 9:00 a.m. local time. Over the past year it arrived on time 91% of the time (343 flights), in line with other UA flights on the route at that hour (90%). Last seen in the data Aug 10, 2026.

Month by month

40%70%100%Sep 2025: 93% on time (30 flights)93SepOct 2025: 94% on time (31 flights)94OctNov 2025: 93% on time (29 flights)93NovDec 2025: 81% on time (31 flights)81DecJan 2026: 87% on time (31 flights)87JanFeb 2026: 93% on time (28 flights)93FebMar 2026: 81% on time (31 flights)81MarApr 2026: 97% on time (30 flights)97AprMay 2026: 94% on time (31 flights)94MayJun 2026: 93% on time (30 flights)93JunJul 2026: 94% on time (31 flights)94JulAug 2026: too few flights (10 flights)Aug

By day of week

DayFlightsOn time
Monday5096%
Tuesday4992%
Wednesday4988%
Thursday4892%
Friday4986%
Saturday4994%
Sunday4990%

Why it was late

Air traffic & airport (NAS) 43%Airline (crew, maintenance, ops) 38%Late inbound plane 19%

All flights BUR → DEN · Connecting off UA 1191? Check the risk

Questions

How often is UA 1191 from BUR to DEN late?

United Airlines 1191 from Burbank, CA to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 9% of 343 scheduled flights between September 2025 and August 2026. 0.3% 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.