About 1 in 5 UA 4851 flights from Panama City arrived 15+ minutes late, diverted or cancelled over the past year (20%); 0.6% were cancelled. The typical flight landed 14 minutes early.
UA 4851: ECP → IAH
Scheduled to leave Panama City at 11:40 a.m. local time, operated by CommutAir as C5 4851. Over the past year it arrived on time 80% of the time (158 flights), in line with other UA flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 28 | 71% |
| Tuesday | 6 | — |
| Wednesday | 24 | 92% |
| Thursday | 28 | 89% |
| Friday | 27 | 85% |
| Saturday | 22 | 68% |
| Sunday | 23 | 74% |
Why it was late
All flights ECP → IAH · Connecting off UA 4851? Check the risk
Questions
How often is UA 4851 from ECP to IAH late?
United Airlines 4851 from Panama City, FL to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 20% of 158 scheduled flights between September 2025 and August 2026. 0.6% 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.