ON TIMEBOARD

UA 2078 on time

United Airlines 2078: Houston to Phoenix at 7:53 p.m.; Phoenix to Newark at 11:57 p.m. (past 12 months). Figures below the title are for IAH → PHX, its busiest leg

On time
72%
359 flights · likely 68–77%
Cancelled
0.6%
of scheduled flights
Typical arrival
−6 min
median vs schedule
When late
+61 min
average delay
Similar flights
74%
UA, same route & hour

About 1 in 4 UA 2078 flights from Houston arrived 15+ minutes late, diverted or cancelled over the past year (28%); 0.6% were cancelled. The typical flight landed 6 minutes early.

UA 2078: IAH → PHX

Scheduled to leave Houston at 7:53 p.m. local time. Over the past year it arrived on time 72% of the time (359 flights), in line with other UA flights on the route at that hour (74%). Last seen in the data Aug 31, 2026.

Usually United Airlines's last flight of the day from Houston to Phoenix (87% of days). United Airlines's last IAH–PHX flight was cancelled 0.5% of the time, against 0.1% 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

30%65%100%Sep 2025: 73% on time (30 flights)73SepOct 2025: 68% on time (31 flights)68OctNov 2025: 45% on time (29 flights)45NovDec 2025: 77% on time (30 flights)77DecJan 2026: 87% on time (31 flights)87JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 77% on time (31 flights)77MarApr 2026: 77% on time (30 flights)77AprMay 2026: 57% on time (28 flights)57MayJun 2026: 57% on time (30 flights)57JunJul 2026: 80% on time (30 flights)80JulAug 2026: 81% on time (31 flights)81Aug

By day of week

DayFlightsOn time
Monday5366%
Tuesday5283%
Wednesday5178%
Thursday5171%
Friday5273%
Saturday4879%
Sunday5258%

Why it was late

Late inbound plane 42%Airline (crew, maintenance, ops) 30%Air traffic & airport (NAS) 19%Severe weather 9%

All flights IAH → PHX · Connecting off UA 2078? Check the risk

UA 2078: PHX → EWR

Scheduled to leave Phoenix at 11:57 p.m. local time. Over the past year it arrived on time 77% of the time (123 flights), worse than other UA flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.

Usually United Airlines's last flight of the day from Phoenix to Newark (100% of days). United Airlines's last PHX–EWR flight was cancelled 3.3% of the time, against 1.5% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 6:00 a.m. the next morning.

Month by month

40%70%100%Apr 2026: too few flights (1 flights)AprMay 2026: 94% on time (31 flights)94MayJun 2026: 87% on time (30 flights)87JunJul 2026: 70% on time (30 flights)70JulAug 2026: 58% on time (31 flights)58Aug

By day of week

DayFlightsOn time
Monday18—
Tuesday17—
Wednesday17—
Thursday18—
Friday18—
Saturday17—
Sunday18—

Why it was late

Airline (crew, maintenance, ops) 74%Late inbound plane 13%Severe weather 10%Air traffic & airport (NAS) 3%

All flights PHX → EWR · Connecting off UA 2078? Check the risk

Questions

How often is UA 2078 from IAH to PHX late?

United Airlines 2078 from Houston, TX to Phoenix, AZ arrived 15 or more minutes late, was diverted or was cancelled on 28% of 359 scheduled flights between September 2025 and August 2026. 0.6% were cancelled.

How often is UA 2078 from PHX to EWR late?

United Airlines 2078 from Phoenix, AZ to Newark, NJ arrived 15 or more minutes late, was diverted or was cancelled on 23% of 123 scheduled flights between September 2025 and August 2026. 3.3% 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.