ON TIMEBOARD

UA 360 on time

United Airlines 360: Los Angeles to Denver at 12:46 p.m.; Boston to Los Angeles at 6:21 a.m.; Denver to Seattle at 7:10 p.m. (past 12 months). Figures below the title are for LAX → DEN, its busiest leg

On time
85%
201 flights · likely 79–89%
Cancelled
0.0%
of scheduled flights
Typical arrival
−11 min
median vs schedule
When late
+66 min
average delay
Similar flights
85%
UA, same route & hour

About 1 in 6 UA 360 flights from Los Angeles arrived 15+ minutes late, diverted or cancelled over the past year (15%); 0.0% were cancelled. The typical flight landed 11 minutes early.

UA 360: LAX → DEN

Scheduled to leave Los Angeles at 12:46 p.m. local time. Over the past year it arrived on time 85% of the time (201 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%Feb 2026: 71% on time (17 flights)71FebMar 2026: 94% on time (31 flights)94MarApr 2026: 97% on time (30 flights)97AprMay 2026: 94% on time (31 flights)94MayJun 2026: 83% on time (30 flights)83JunJul 2026: 74% on time (31 flights)74JulAug 2026: 74% on time (31 flights)74Aug

By day of week

DayFlightsOn time
Monday2976%
Tuesday2886%
Wednesday2871%
Thursday2979%
Friday2986%
Saturday2993%
Sunday29100%

Why it was late

Air traffic & airport (NAS) 46%Late inbound plane 34%Airline (crew, maintenance, ops) 20%

All flights LAX → DEN · Connecting off UA 360? Check the risk

UA 360: BOS → LAX

Scheduled to leave Boston at 6:21 a.m. local time. Over the past year it arrived on time 89% of the time (156 flights), in line with other UA flights on the route at that hour (89%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Mar 2026: too few flights (3 flights)MarApr 2026: 87% on time (30 flights)87AprMay 2026: 94% on time (31 flights)94MayJun 2026: 87% on time (30 flights)87JunJul 2026: 100% on time (31 flights)100JulAug 2026: 77% on time (31 flights)77Aug

By day of week

DayFlightsOn time
Monday2383%
Tuesday22100%
Wednesday2291%
Thursday2291%
Friday2295%
Saturday2277%
Sunday2387%

Why it was late

Late inbound plane 54%Airline (crew, maintenance, ops) 29%Air traffic & airport (NAS) 17%

All flights BOS → LAX · Connecting off UA 360? Check the risk

UA 360: DEN → SEA

Scheduled to leave Denver at 7:10 p.m. local time. Over the past year it arrived on time 65% of the time (155 flights), worse than other UA flights on the route at that hour (72%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Mar 2026: too few flights (3 flights)MarApr 2026: 77% on time (30 flights)77AprMay 2026: 61% on time (31 flights)61MayJun 2026: 67% on time (30 flights)67JunJul 2026: 63% on time (30 flights)63JulAug 2026: 61% on time (31 flights)61Aug

By day of week

DayFlightsOn time
Monday2361%
Tuesday2268%
Wednesday2273%
Thursday2259%
Friday2268%
Saturday2167%
Sunday2357%

Why it was late

Late inbound plane 50%Airline (crew, maintenance, ops) 27%Air traffic & airport (NAS) 23%

All flights DEN → SEA · Connecting off UA 360? Check the risk

Questions

How often is UA 360 from LAX to DEN late?

United Airlines 360 from Los Angeles, CA to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 15% of 201 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.

How often is UA 360 from BOS to LAX late?

United Airlines 360 from Boston, MA to Los Angeles, CA arrived 15 or more minutes late, was diverted or was cancelled on 11% of 156 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.

How often is UA 360 from DEN to SEA late?

United Airlines 360 from Denver, CO to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 35% of 155 scheduled flights between September 2025 and August 2026. 0.0% 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.