ON TIMEBOARD
United Airlines / DEN → ORD

UA 1411 on time

United Airlines 1411: Denver to Chicago at 5:54 p.m.; Portland to Denver at 12:50 p.m. (past 12 months). Figures below the title are for DEN → ORD, its busiest leg

On time
47%
266 flights · likely 41–53%
Cancelled
0.8%
of scheduled flights
Typical arrival
+18 min
median vs schedule
When late
+102 min
average delay
Similar flights
55%
UA, same route & hour

About 5 in 10 UA 1411 flights from Denver arrived 15+ minutes late, diverted or cancelled over the past year (53%); 0.8% were cancelled. The typical flight landed 18 minutes late.

UA 1411: DEN → ORD

Scheduled to leave Denver at 5:54 p.m. local time. Over the past year it arrived on time 47% of the time (266 flights), worse than other UA flights on the route at that hour (55%). Last seen in the data Aug 10, 2026.

Month by month

10%55%100%Oct 2025: too few flights (6 flights)OctNov 2025: 55% on time (29 flights)55NovDec 2025: 52% on time (31 flights)52DecJan 2026: 61% on time (31 flights)61JanFeb 2026: 52% on time (27 flights)52FebMar 2026: 55% on time (31 flights)55MarApr 2026: 62% on time (29 flights)62AprMay 2026: too few flights (11 flights)MayJun 2026: 23% on time (30 flights)23JunJul 2026: 32% on time (31 flights)32JulAug 2026: too few flights (10 flights)Aug

By day of week

DayFlightsOn time
Monday3944%
Tuesday3858%
Wednesday3845%
Thursday3757%
Friday3834%
Saturday3749%
Sunday3944%

Why it was late

Late inbound plane 44%Air traffic & airport (NAS) 40%Airline (crew, maintenance, ops) 10%Severe weather 6%

All flights DEN → ORD · Connecting off UA 1411? Check the risk

UA 1411: PDX → DEN

Scheduled to leave Portland at 12:50 p.m. local time. Over the past year it arrived on time 83% of the time (184 flights), worse than other UA flights on the route at that hour (89%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jan 2026: 88% on time (26 flights)88JanFeb 2026: 89% on time (27 flights)89FebMar 2026: 82% on time (28 flights)82MarMay 2026: too few flights (11 flights)MayJun 2026: 87% on time (30 flights)87JunJul 2026: 74% on time (31 flights)74JulAug 2026: 74% on time (31 flights)74Aug

By day of week

DayFlightsOn time
Monday2681%
Tuesday2685%
Wednesday2673%
Thursday2785%
Friday2789%
Saturday2685%
Sunday2681%

Why it was late

Air traffic & airport (NAS) 49%Late inbound plane 41%Airline (crew, maintenance, ops) 10%

All flights PDX → DEN · Connecting off UA 1411? Check the risk

Questions

How often is UA 1411 from DEN to ORD late?

United Airlines 1411 from Denver, CO to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 53% of 266 scheduled flights between September 2025 and August 2026. 0.8% were cancelled.

How often is UA 1411 from PDX to DEN late?

United Airlines 1411 from Portland, OR to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 17% of 184 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.