ON TIMEBOARD

UA 1963 on time

United Airlines 1963: Denver to Salt Lake City at 11:45 a.m.; Charlotte to Denver at 8:40 a.m. (past 12 months). Figures below the title are for DEN → SLC, its busiest leg

On time
80%
365 flights · likely 75–84%
Cancelled
0.0%
of scheduled flights
Typical arrival
−3 min
median vs schedule
When late
+46 min
average delay
Similar flights
80%
UA, same route & hour

About 1 in 5 UA 1963 flights from Denver arrived 15+ minutes late, diverted or cancelled over the past year (20%); 0.0% were cancelled. The typical flight landed 3 minutes early.

UA 1963: DEN → SLC

Scheduled to leave Denver at 11:45 a.m. local time. Over the past year it arrived on time 80% of the time (365 flights), in line with other UA flights on the route at that hour (80%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 87% on time (30 flights)87SepOct 2025: 84% on time (31 flights)84OctNov 2025: 67% on time (30 flights)67NovDec 2025: 71% on time (31 flights)71DecJan 2026: 84% on time (31 flights)84JanFeb 2026: 82% on time (28 flights)82FebMar 2026: 90% on time (31 flights)90MarApr 2026: 73% on time (30 flights)73AprMay 2026: 87% on time (31 flights)87MayJun 2026: 67% on time (30 flights)67JunJul 2026: 81% on time (31 flights)81JulAug 2026: 84% on time (31 flights)84Aug

By day of week

DayFlightsOn time
Monday5374%
Tuesday5292%
Wednesday5273%
Thursday5281%
Friday5267%
Saturday5292%
Sunday5279%

Why it was late

Late inbound plane 49%Air traffic & airport (NAS) 28%Airline (crew, maintenance, ops) 23%

All flights DEN → SLC · Connecting off UA 1963? Check the risk

UA 1963: CLT → DEN

Scheduled to leave Charlotte at 8:40 a.m. local time. Over the past year it arrived on time 90% of the time (156 flights), in line with other UA flights on the route at that hour (91%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Mar 2026: too few flights (3 flights)MarApr 2026: 93% on time (30 flights)93AprMay 2026: 97% on time (31 flights)97MayJun 2026: 83% on time (30 flights)83JunJul 2026: 87% on time (31 flights)87JulAug 2026: 90% on time (31 flights)90Aug

By day of week

DayFlightsOn time
Monday2396%
Tuesday2277%
Wednesday2295%
Thursday2291%
Friday2286%
Saturday2291%
Sunday2396%

Why it was late

Airline (crew, maintenance, ops) 56%Late inbound plane 30%Air traffic & airport (NAS) 12%Severe weather 2%

All flights CLT → DEN · Connecting off UA 1963? Check the risk

Questions

How often is UA 1963 from DEN to SLC late?

United Airlines 1963 from Denver, CO to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 20% of 365 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.

How often is UA 1963 from CLT to DEN late?

United Airlines 1963 from Charlotte, NC to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 10% of 156 scheduled flights between September 2025 and August 2026. 1.3% 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.