ON TIMEBOARD

UA 2656 on time

United Airlines 2656: Santa Ana to Denver at 6:26 p.m.; Denver to Boston at 11:59 p.m. (past 12 months). Figures below the title are for SNA → DEN, its busiest leg

On time
85%
280 flights · likely 81–89%
Cancelled
0.4%
of scheduled flights
Typical arrival
−14 min
median vs schedule
When late
+89 min
average delay
Similar flights
85%
UA, same route & hour

About 1 in 7 UA 2656 flights from Santa Ana arrived 15+ minutes late, diverted or cancelled over the past year (15%); 0.4% were cancelled. The typical flight landed 14 minutes early.

UA 2656: SNA → DEN

Scheduled to leave Santa Ana at 6:26 p.m. local time. Over the past year it arrived on time 85% of the time (280 flights), in line with other UA flights on the route at that hour (85%). Last seen in the data Aug 31, 2026.

Usually United Airlines's last flight of the day from Santa Ana to Denver (100% of days). United Airlines's last SNA–DEN flight was cancelled 0.3% of the time, against 0.3% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 6:45 a.m. the next morning.

Month by month

40%70%100%Sep 2025: 96% on time (23 flights)96SepOct 2025: 93% on time (30 flights)93OctNov 2025: 100% on time (25 flights)100NovDec 2025: too few flights (13 flights)DecJan 2026: too few flights (5 flights)JanFeb 2026: too few flights (14 flights)FebMar 2026: 88% on time (25 flights)88MarApr 2026: 92% on time (26 flights)92AprMay 2026: 100% on time (28 flights)100MayJun 2026: 70% on time (30 flights)70JunJul 2026: 70% on time (30 flights)70JulAug 2026: 68% on time (31 flights)68Aug

By day of week

DayFlightsOn time
Monday4379%
Tuesday2186%
Wednesday4190%
Thursday4486%
Friday4587%
Saturday4190%
Sunday4580%

Why it was late

Late inbound plane 50%Air traffic & airport (NAS) 25%Severe weather 19%Airline (crew, maintenance, ops) 6%

All flights SNA → DEN · Connecting off UA 2656? Check the risk

UA 2656: DEN → BOS

Scheduled to leave Denver at 11:59 p.m. local time. Over the past year it arrived on time 90% of the time (181 flights), in line with other UA flights on the route at that hour (92%). Last seen in the data Aug 30, 2026.

Usually United Airlines's last flight of the day from Denver to Boston (100% of days). United Airlines's last DEN–BOS flight was cancelled 1.4% of the time, against 0.9% 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

40%70%100%Oct 2025: too few flights (4 flights)OctNov 2025: 100% on time (22 flights)100NovDec 2025: too few flights (12 flights)DecJan 2026: too few flights (4 flights)JanFeb 2026: too few flights (14 flights)FebMar 2026: 70% on time (20 flights)70MarApr 2026: too few flights (1 flights)AprMay 2026: 100% on time (22 flights)100MayJun 2026: 93% on time (30 flights)93JunJul 2026: 87% on time (30 flights)87JulAug 2026: 86% on time (22 flights)86Aug

By day of week

DayFlightsOn time
Monday2090%
Tuesday14—
Wednesday2893%
Thursday3197%
Friday3278%
Saturday23100%
Sunday3385%

Why it was late

Airline (crew, maintenance, ops) 54%Air traffic & airport (NAS) 36%Late inbound plane 10%

All flights DEN → BOS · Connecting off UA 2656? Check the risk

Questions

How often is UA 2656 from SNA to DEN late?

United Airlines 2656 from Santa Ana, CA to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 15% of 280 scheduled flights between September 2025 and August 2026. 0.4% were cancelled.

How often is UA 2656 from DEN to BOS late?

United Airlines 2656 from Denver, CO to Boston, MA arrived 15 or more minutes late, was diverted or was cancelled on 10% of 181 scheduled flights between September 2025 and August 2026. 1.1% 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.