About 1 in 3 UA 1609 flights from Dallas arrived 15+ minutes late, diverted or cancelled over the past year (39%); 2.3% were cancelled. The typical flight landed 4 minutes late.
UA 1609: DFW → IAH
Scheduled to leave Dallas at 5:20 p.m. local time. Over the past year it arrived on time 61% of the time (302 flights), in line with other UA flights on the route at that hour (61%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 50 | 66% |
| Tuesday | 44 | 73% |
| Wednesday | 50 | 64% |
| Thursday | 48 | 40% |
| Friday | 48 | 58% |
| Saturday | 31 | 71% |
| Sunday | 31 | 61% |
Why it was late
All flights DFW → IAH · Connecting off UA 1609? Check the risk
UA 1609: IAH → SFO
Scheduled to leave Houston at 9:59 p.m. local time. Over the past year it arrived on time 80% of the time (252 flights), in line with other UA flights on the route at that hour (81%). Last seen in the data Aug 31, 2026.
Usually United Airlines's last flight of the day from Houston to San Francisco (99% of days). United Airlines's last IAH–SFO flight was cancelled 0.8% of the time, against 0.4% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 5:22 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 39 | 69% |
| Tuesday | 31 | 81% |
| Wednesday | 37 | 95% |
| Thursday | 36 | 72% |
| Friday | 34 | 68% |
| Saturday | 37 | 92% |
| Sunday | 38 | 82% |
Why it was late
All flights IAH → SFO · Connecting off UA 1609? Check the risk
Questions
How often is UA 1609 from DFW to IAH late?
United Airlines 1609 from Dallas/Fort Worth, TX to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 39% of 302 scheduled flights between September 2025 and August 2026. 2.3% were cancelled.
How often is UA 1609 from IAH to SFO late?
United Airlines 1609 from Houston, TX to San Francisco, CA arrived 15 or more minutes late, was diverted or was cancelled on 20% of 252 scheduled flights between September 2025 and August 2026. 1.2% 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.