ON TIMEBOARD

UA 1797 on time

United Airlines 1797: Houston to Newark at 6:00 a.m.; Newark to West Palm Beach at 1:07 p.m. (past 12 months). Figures below the title are for IAH → EWR, its busiest leg

On time
93%
283 flights · likely 89–95%
Cancelled
0.7%
of scheduled flights
Typical arrival
−12 min
median vs schedule
When late
+50 min
average delay
Similar flights
93%
UA, same route & hour

About 1 in 14 UA 1797 flights from Houston arrived 15+ minutes late, diverted or cancelled over the past year (7%); 0.7% were cancelled. The typical flight landed 12 minutes early.

UA 1797: IAH → EWR

Scheduled to leave Houston at 6:00 a.m. local time. Over the past year it arrived on time 93% of the time (283 flights), in line with other UA flights on the route at that hour (93%). Last seen in the data Aug 10, 2026.

Month by month

40%70%100%Sep 2025: too few flights (6 flights)SepOct 2025: 94% on time (31 flights)94OctNov 2025: 90% on time (30 flights)90NovDec 2025: 90% on time (31 flights)90DecJan 2026: too few flights (5 flights)JanFeb 2026: 82% on time (17 flights)82FebMar 2026: 94% on time (31 flights)94MarApr 2026: 90% on time (30 flights)90AprMay 2026: 94% on time (31 flights)94MayJun 2026: 100% on time (30 flights)100JunJul 2026: 97% on time (31 flights)97JulAug 2026: too few flights (10 flights)Aug

By day of week

DayFlightsOn time
Monday4198%
Tuesday3997%
Wednesday3997%
Thursday4185%
Friday4198%
Saturday4188%
Sunday4188%

Why it was late

Severe weather 35%Air traffic & airport (NAS) 30%Airline (crew, maintenance, ops) 29%Late inbound plane 5%

All flights IAH → EWR · Connecting off UA 1797? Check the risk

UA 1797: EWR → PBI

Scheduled to leave Newark at 1:07 p.m. local time. Over the past year it arrived on time 75% of the time (246 flights), in line with other UA flights on the route at that hour (73%). Last seen in the data Jul 31, 2026.

Month by month

40%70%100%Jun 2025: too few flights (5 flights)JunJul 2025: 61% on time (31 flights)61JulAug 2025: 61% on time (31 flights)61AugSep 2025: 76% on time (21 flights)76SepDec 2025: too few flights (14 flights)DecJan 2026: 77% on time (31 flights)77JanFeb 2026: 71% on time (28 flights)71FebMar 2026: 71% on time (31 flights)71MarApr 2026: 73% on time (30 flights)73AprMay 2026: 90% on time (31 flights)90MayJun 2026: 90% on time (30 flights)90JunJul 2026: 63% on time (30 flights)63Jul

By day of week

DayFlightsOn time
Monday3669%
Tuesday3678%
Wednesday3689%
Thursday3669%
Friday3675%
Saturday3168%
Sunday3577%

Why it was late

Air traffic & airport (NAS) 50%Airline (crew, maintenance, ops) 31%Late inbound plane 19%

All flights EWR → PBI · Connecting off UA 1797? Check the risk

Questions

How often is UA 1797 from IAH to EWR late?

United Airlines 1797 from Houston, TX to Newark, NJ arrived 15 or more minutes late, was diverted or was cancelled on 7% of 283 scheduled flights between September 2025 and August 2026. 0.7% were cancelled.

How often is UA 1797 from EWR to PBI late?

United Airlines 1797 from Newark, NJ to West Palm Beach/Palm Beach, FL arrived 15 or more minutes late, was diverted or was cancelled on 25% of 246 scheduled flights between September 2025 and August 2026. 1.6% 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.