About 1 in 4 UA 1794 flights from Houston arrived 15+ minutes late, diverted or cancelled over the past year (28%); 1.2% were cancelled. The typical flight landed 3 minutes early.
UA 1794: IAH → MEM
Scheduled to leave Houston at 8:21 p.m. local time. Over the past year it arrived on time 72% of the time (324 flights), in line with other UA flights on the route at that hour (72%). Last seen in the data Aug 9, 2026.
Usually United Airlines's last flight of the day from Houston to Memphis (100% of days). United Airlines's last IAH–MEM flight was cancelled 1.1% of the time, against 1.4% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 7:20 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 47 | 64% |
| Tuesday | 46 | 67% |
| Wednesday | 46 | 89% |
| Thursday | 46 | 74% |
| Friday | 47 | 70% |
| Saturday | 45 | 67% |
| Sunday | 47 | 70% |
Why it was late
All flights IAH → MEM · Connecting off UA 1794? Check the risk
UA 1794: LGA → IAH
Scheduled to leave New York at 3:38 p.m. local time. Over the past year it arrived on time 60% of the time (154 flights), in line with other UA flights on the route at that hour (63%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 26 | 62% |
| Tuesday | 25 | 60% |
| Wednesday | 25 | 56% |
| Thursday | 26 | 62% |
| Friday | 26 | 58% |
| Sunday | 26 | 65% |
Why it was late
All flights LGA → IAH · Connecting off UA 1794? Check the risk
Questions
How often is UA 1794 from IAH to MEM late?
United Airlines 1794 from Houston, TX to Memphis, TN arrived 15 or more minutes late, was diverted or was cancelled on 28% of 324 scheduled flights between September 2025 and August 2026. 1.2% were cancelled.
How often is UA 1794 from LGA to IAH late?
United Airlines 1794 from New York, NY to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 40% of 154 scheduled flights between September 2025 and August 2026. 1.9% 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.