About 1 in 3 UA 1949 flights from Houston arrived 15+ minutes late, diverted or cancelled over the past year (31%); 0.9% were cancelled. The typical flight landed 1 minutes late.
UA 1949: IAH → DFW
Scheduled to leave Houston at 7:59 p.m. local time. Over the past year it arrived on time 69% of the time (339 flights), worse than 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 | 64% |
| Tuesday | 40 | 75% |
| Wednesday | 52 | 81% |
| Thursday | 51 | 71% |
| Friday | 47 | 64% |
| Saturday | 44 | 68% |
| Sunday | 52 | 62% |
Why it was late
All flights IAH → DFW · Connecting off UA 1949? Check the risk
UA 1949: SMF → IAH
Scheduled to leave Sacramento at 1:15 p.m. local time. Over the past year it arrived on time 88% of the time (262 flights), worse than other UA flights on the route at that hour (91%). Last seen in the data Aug 31, 2026.
Usually United Airlines's last flight of the day from Sacramento to Houston (99% of days). United Airlines's last SMF–IAH flight was cancelled 0.0% of the time, against 0.3% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 5:15 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 42 | 88% |
| Tuesday | 39 | 85% |
| Wednesday | 39 | 95% |
| Thursday | 41 | 85% |
| Friday | 41 | 90% |
| Saturday | 21 | 81% |
| Sunday | 39 | 87% |
Why it was late
All flights SMF → IAH · Connecting off UA 1949? Check the risk
Questions
How often is UA 1949 from IAH to DFW late?
United Airlines 1949 from Houston, TX to Dallas/Fort Worth, TX arrived 15 or more minutes late, was diverted or was cancelled on 31% of 339 scheduled flights between September 2025 and August 2026. 0.9% were cancelled.
How often is UA 1949 from SMF to IAH late?
United Airlines 1949 from Sacramento, CA to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 12% of 262 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.