About 1 in 11 UA 1383 flights from Houston arrived 15+ minutes late, diverted or cancelled over the past year (9%); 0.0% were cancelled. The typical flight landed 12 minutes early.
UA 1383: IAH → SNA
Scheduled to leave Houston at 9:30 a.m. local time. Over the past year it arrived on time 91% of the time (365 flights), in line with other UA flights on the route at that hour (91%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 94% |
| Tuesday | 52 | 88% |
| Wednesday | 52 | 94% |
| Thursday | 52 | 90% |
| Friday | 52 | 90% |
| Saturday | 52 | 92% |
| Sunday | 52 | 88% |
Why it was late
All flights IAH → SNA · Connecting off UA 1383? Check the risk
UA 1383: RDU → IAH
Scheduled to leave Raleigh at 6:30 a.m. local time. Over the past year it arrived on time 91% of the time (296 flights), in line with other UA flights on the route at that hour (91%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 44 | 91% |
| Tuesday | 43 | 98% |
| Wednesday | 42 | 93% |
| Thursday | 42 | 83% |
| Friday | 42 | 93% |
| Saturday | 41 | 93% |
| Sunday | 42 | 88% |
Why it was late
All flights RDU → IAH · Connecting off UA 1383? Check the risk
Questions
How often is UA 1383 from IAH to SNA late?
United Airlines 1383 from Houston, TX to Santa Ana, CA arrived 15 or more minutes late, was diverted or was cancelled on 9% of 365 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.
How often is UA 1383 from RDU to IAH late?
United Airlines 1383 from Raleigh/Durham, NC to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 9% of 296 scheduled flights between September 2025 and August 2026. 1.0% 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.