About 1 in 7 UA 740 flights from Houston arrived 15+ minutes late, diverted or cancelled over the past year (13%); 0.0% were cancelled. The typical flight landed 9 minutes early.
UA 740: IAH → PDX
Scheduled to leave Houston at 9:30 a.m. local time. Over the past year it arrived on time 87% of the time (365 flights), in line with other UA flights on the route at that hour (88%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 85% |
| Tuesday | 52 | 85% |
| Wednesday | 52 | 85% |
| Thursday | 52 | 90% |
| Friday | 52 | 83% |
| Saturday | 52 | 83% |
| Sunday | 52 | 96% |
Why it was late
All flights IAH → PDX · Connecting off UA 740? Check the risk
UA 740: MCI → IAH
Scheduled to leave Kansas City at 6:16 a.m. local time. Over the past year it arrived on time 92% of the time (142 flights), better than other UA flights on the route at that hour (88%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 21 | 86% |
| Tuesday | 20 | 95% |
| Wednesday | 20 | 100% |
| Thursday | 21 | 86% |
| Friday | 21 | 86% |
| Saturday | 20 | 90% |
| Sunday | 19 | — |
Why it was late
All flights MCI → IAH · Connecting off UA 740? Check the risk
Questions
How often is UA 740 from IAH to PDX late?
United Airlines 740 from Houston, TX to Portland, OR arrived 15 or more minutes late, was diverted or was cancelled on 13% of 365 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.
How often is UA 740 from MCI to IAH late?
United Airlines 740 from Kansas City, MO to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 8% of 142 scheduled flights between September 2025 and August 2026. 0.0% 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.