ON TIMEBOARD
United Airlines / MSO → DEN

UA 1436 on time

United Airlines 1436: Missoula to Denver at 2:35 p.m.; Denver to Omaha at 6:05 p.m. (past 12 months). Figures below the title are for MSO → DEN, its busiest leg

On time
74%
272 flights · likely 68–79%
Cancelled
0.0%
of scheduled flights
Typical arrival
−3 min
median vs schedule
When late
+103 min
average delay
Similar flights
73%
UA, same route & hour

About 1 in 4 UA 1436 flights from Missoula arrived 15+ minutes late, diverted or cancelled over the past year (26%); 0.0% were cancelled. The typical flight landed 3 minutes early.

UA 1436: MSO → DEN

Scheduled to leave Missoula at 2:35 p.m. local time. Over the past year it arrived on time 74% of the time (272 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%Oct 2025: too few flights (6 flights)OctNov 2025: 97% on time (29 flights)97NovDec 2025: 65% on time (31 flights)65DecJan 2026: too few flights (5 flights)JanFeb 2026: 88% on time (17 flights)88FebMar 2026: 74% on time (31 flights)74MarApr 2026: 93% on time (30 flights)93AprMay 2026: 77% on time (31 flights)77MayJun 2026: 70% on time (30 flights)70JunJul 2026: 58% on time (31 flights)58JulAug 2026: 45% on time (31 flights)45Aug

By day of week

DayFlightsOn time
Monday4070%
Tuesday3879%
Wednesday3871%
Thursday3874%
Friday3974%
Saturday3979%
Sunday4070%

Why it was late

Air traffic & airport (NAS) 53%Late inbound plane 24%Airline (crew, maintenance, ops) 15%Severe weather 8%

All flights MSO → DEN · Connecting off UA 1436? Check the risk

UA 1436: DEN → OMA

Scheduled to leave Denver at 6:05 p.m. local time. Over the past year it arrived on time 63% of the time (179 flights), worse than other UA flights on the route at that hour (79%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Mar 2026: 74% on time (27 flights)74MarApr 2026: 90% on time (30 flights)90AprMay 2026: 58% on time (31 flights)58MayJun 2026: 47% on time (30 flights)47JunJul 2026: 57% on time (30 flights)57JulAug 2026: 52% on time (31 flights)52Aug

By day of week

DayFlightsOn time
Monday2662%
Tuesday2560%
Wednesday2572%
Thursday2665%
Friday2669%
Saturday2560%
Sunday2650%

Why it was late

Late inbound plane 56%Airline (crew, maintenance, ops) 26%Air traffic & airport (NAS) 16%Severe weather 2%

All flights DEN → OMA · Connecting off UA 1436? Check the risk

Questions

How often is UA 1436 from MSO to DEN late?

United Airlines 1436 from Missoula, MT to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 26% of 272 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.

How often is UA 1436 from DEN to OMA late?

United Airlines 1436 from Denver, CO to Omaha, NE arrived 15 or more minutes late, was diverted or was cancelled on 37% of 179 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.