ON TIMEBOARD

UA 2436 on time

United Airlines 2436: San Francisco to Denver at 6:56 p.m. (past 12 months)

On time
88%
238 flights · likely 83–91%
Cancelled
0.0%
of scheduled flights
Typical arrival
−16 min
median vs schedule
When late
+71 min
average delay
Similar flights
87%
UA, same route & hour

About 1 in 8 UA 2436 flights from San Francisco arrived 15+ minutes late, diverted or cancelled over the past year (12%); 0.0% were cancelled. The typical flight landed 16 minutes early.

UA 2436: SFO → DEN

Scheduled to leave San Francisco at 6:56 p.m. local time. Over the past year it arrived on time 88% of the time (238 flights), in line with other UA flights on the route at that hour (87%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jan 2026: 100% on time (26 flights)100JanFeb 2026: 75% on time (28 flights)75FebMar 2026: 87% on time (31 flights)87MarApr 2026: 97% on time (30 flights)97AprMay 2026: 90% on time (31 flights)90MayJun 2026: 93% on time (30 flights)93JunJul 2026: 77% on time (31 flights)77JulAug 2026: 84% on time (31 flights)84Aug

By day of week

DayFlightsOn time
Monday3476%
Tuesday3491%
Wednesday3488%
Thursday3485%
Friday3485%
Saturday3494%
Sunday3494%

Why it was late

Late inbound plane 75%Airline (crew, maintenance, ops) 18%Air traffic & airport (NAS) 7%

All flights SFO → DEN · Connecting off UA 2436? Check the risk

Questions

How often is UA 2436 from SFO to DEN late?

United Airlines 2436 from San Francisco, CA to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 12% of 238 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.