UA8139 · UAL8139

UAL8139 over the last 30 days

As of 2026-10-09

UAL8139 is operated by United Airlines on the route San Francisco International Airport (SFO/KSFO) → Orlando International Airport (MCO/KMCO). Most frequent aircraft type: BOEING 737 MAX 9 (B39M).

Days with an observed flight (last 30 days)

2/30

Days of the week with an observed flight

Fri

Median departure deviation from the usual time on this route

+2 min

Departures within 15 minutes of the usual time

88 %

Departures measured

43

Our measurement against the usual departure time of the route, from our own observations over the last 28 days; the figures cover all flights of this airline on the route.

Aircraft types on this flight (last 30 days)

• BOEING 737 MAX 9 (B39M) — Number of flights: 3

Related flights on this route

• All flights KSFO – KMCO