About 1 in 4 UA 1388 flights from Houston arrived 15+ minutes late, diverted or cancelled over the past year (25%); 2.1% were cancelled. The typical flight landed 5 minutes early.
UA 1388: IAH → DFW
Scheduled to leave Houston at 2:35 p.m. local time. Over the past year it arrived on time 75% of the time (334 flights), in line with other UA flights on the route at that hour (73%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 70% |
| Tuesday | 52 | 81% |
| Wednesday | 52 | 77% |
| Thursday | 52 | 75% |
| Friday | 51 | 65% |
| Saturday | 40 | 83% |
| Sunday | 34 | 74% |
Why it was late
All flights IAH → DFW · Connecting off UA 1388? Check the risk
Questions
How often is UA 1388 from IAH to DFW late?
United Airlines 1388 from Houston, TX to Dallas/Fort Worth, TX arrived 15 or more minutes late, was diverted or was cancelled on 25% of 334 scheduled flights between September 2025 and August 2026. 2.1% 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.