ON TIMEBOARD

UA 2239 on time

United Airlines 2239: Hartford to Denver at 3:30 p.m.; Denver to Dallas at 8:53 p.m. (past 12 months). Figures below the title are for BDL → DEN, its busiest leg

On time
73%
362 flights · likely 68–78%
Cancelled
1.1%
of scheduled flights
Typical arrival
−4 min
median vs schedule
When late
+83 min
average delay
Similar flights
73%
UA, same route & hour

About 1 in 4 UA 2239 flights from Hartford arrived 15+ minutes late, diverted or cancelled over the past year (27%); 1.1% were cancelled. The typical flight landed 4 minutes early.

UA 2239: BDL → DEN

Scheduled to leave Hartford at 3:30 p.m. local time. Over the past year it arrived on time 73% of the time (362 flights), in line with other UA flights on the route at that hour (73%). Last seen in the data Aug 31, 2026.

Usually United Airlines's last flight of the day from Hartford to Denver (100% of days). United Airlines's last BDL–DEN flight was cancelled 1.1% of the time, against 0.8% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 7:45 a.m. the next morning.

Month by month

30%65%100%Sep 2025: 80% on time (30 flights)80SepOct 2025: 90% on time (30 flights)90OctNov 2025: 79% on time (29 flights)79NovDec 2025: 77% on time (31 flights)77DecJan 2026: 77% on time (31 flights)77JanFeb 2026: 79% on time (28 flights)79FebMar 2026: 81% on time (31 flights)81MarApr 2026: 77% on time (30 flights)77AprMay 2026: 74% on time (31 flights)74MayJun 2026: 57% on time (30 flights)57JunJul 2026: 67% on time (30 flights)67JulAug 2026: 42% on time (31 flights)42Aug

By day of week

DayFlightsOn time
Monday5375%
Tuesday5273%
Wednesday5277%
Thursday5171%
Friday5175%
Saturday5171%
Sunday5271%

Why it was late

Late inbound plane 42%Air traffic & airport (NAS) 30%Airline (crew, maintenance, ops) 22%Severe weather 6%

All flights BDL → DEN · Connecting off UA 2239? Check the risk

UA 2239: DEN → DFW

Scheduled to leave Denver at 8:53 p.m. local time. Over the past year it arrived on time 63% of the time (156 flights), worse than other UA flights on the route at that hour (68%). Last seen in the data Aug 31, 2026.

Usually United Airlines's last flight of the day from Denver to Dallas (100% of days). United Airlines's last DEN–DFW flight was cancelled 0.8% of the time, against 0.5% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 7:32 a.m. the next morning.

Month by month

40%70%100%Oct 2025: too few flights (5 flights)OctNov 2025: 72% on time (25 flights)72NovDec 2025: too few flights (1 flights)DecMar 2026: too few flights (2 flights)MarApr 2026: 81% on time (21 flights)81AprMay 2026: too few flights (11 flights)MayJun 2026: 70% on time (30 flights)70JunJul 2026: 50% on time (30 flights)50JulAug 2026: 52% on time (31 flights)52Aug

By day of week

DayFlightsOn time
Monday2568%
Tuesday19—
Wednesday2463%
Thursday2370%
Friday2361%
Saturday16—
Sunday2646%

Why it was late

Late inbound plane 56%Airline (crew, maintenance, ops) 30%Air traffic & airport (NAS) 14%

All flights DEN → DFW · Connecting off UA 2239? Check the risk

Questions

How often is UA 2239 from BDL to DEN late?

United Airlines 2239 from Hartford, CT to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 27% of 362 scheduled flights between September 2025 and August 2026. 1.1% were cancelled.

How often is UA 2239 from DEN to DFW late?

United Airlines 2239 from Denver, CO to Dallas/Fort Worth, TX arrived 15 or more minutes late, was diverted or was cancelled on 37% 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.