About 1 in 7 UA 470 flights from Miami arrived 15+ minutes late, diverted or cancelled over the past year (15%); 0.6% were cancelled. The typical flight landed 18 minutes early.
UA 470: MIA → IAH
Scheduled to leave Miami at 12:29 p.m. local time. Over the past year it arrived on time 85% of the time (180 flights), worse than other UA flights on the route at that hour (89%). Last seen in the data Aug 10, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 26 | 85% |
| Tuesday | 25 | 92% |
| Wednesday | 25 | 88% |
| Thursday | 26 | 85% |
| Friday | 26 | 85% |
| Saturday | 26 | 73% |
| Sunday | 26 | 88% |
Why it was late
All flights MIA → IAH · Connecting off UA 470? Check the risk
UA 470: IAH → DEN
Scheduled to leave Houston at 4:21 p.m. local time. Over the past year it arrived on time 62% of the time (133 flights), worse than other UA flights on the route at that hour (70%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 19 | — |
| Tuesday | 19 | — |
| Wednesday | 19 | — |
| Thursday | 19 | — |
| Friday | 19 | — |
| Saturday | 19 | — |
| Sunday | 19 | — |
Why it was late
All flights IAH → DEN · Connecting off UA 470? Check the risk
Questions
How often is UA 470 from MIA to IAH late?
United Airlines 470 from Miami, FL to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 15% of 180 scheduled flights between September 2025 and August 2026. 0.6% were cancelled.
How often is UA 470 from IAH to DEN late?
United Airlines 470 from Houston, TX to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 38% of 133 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.