ON TIMEBOARD

UA 1615 on time

United Airlines 1615: Denver to Cincinnati at 5:40 p.m. (past 12 months)

On time
75%
363 flights · likely 70–79%
Cancelled
0.5%
of scheduled flights
Typical arrival
−3 min
median vs schedule
When late
+58 min
average delay
Similar flights
76%
UA, same route & hour

About 1 in 4 UA 1615 flights from Denver arrived 15+ minutes late, diverted or cancelled over the past year (25%); 0.5% were cancelled. The typical flight landed 3 minutes early.

UA 1615: DEN → CVG

Scheduled to leave Denver at 5:40 p.m. local time. Over the past year it arrived on time 75% of the time (363 flights), in line with other UA flights on the route at that hour (76%). Last seen in the data Aug 31, 2026.

Usually United Airlines's last flight of the day from Denver to Cincinnati (100% of days). United Airlines's last DEN–CVG flight was cancelled 0.5% of the time, against 0.3% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 9:40 a.m. the next morning.

Month by month

40%70%100%Sep 2025: 73% on time (30 flights)73SepOct 2025: 97% on time (31 flights)97OctNov 2025: 90% on time (29 flights)90NovDec 2025: 61% on time (31 flights)61DecJan 2026: 71% on time (31 flights)71JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 65% on time (31 flights)65MarApr 2026: 83% on time (30 flights)83AprMay 2026: 77% on time (31 flights)77MayJun 2026: 73% on time (30 flights)73JunJul 2026: 63% on time (30 flights)63JulAug 2026: 58% on time (31 flights)58Aug

By day of week

DayFlightsOn time
Monday5375%
Tuesday5281%
Wednesday5279%
Thursday5178%
Friday5271%
Saturday5173%
Sunday5267%

Why it was late

Late inbound plane 51%Airline (crew, maintenance, ops) 28%Air traffic & airport (NAS) 18%Severe weather 4%

All flights DEN → CVG · Connecting off UA 1615? Check the risk

Questions

How often is UA 1615 from DEN to CVG late?

United Airlines 1615 from Denver, CO to Cincinnati, OH arrived 15 or more minutes late, was diverted or was cancelled on 25% of 363 scheduled flights between September 2025 and August 2026. 0.5% 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.