Will UA4251 be delayed today?
Houston → Laredo · Sat 31 Oct · United
updated Houston time
No. It should leave on time.
It should have left by now. The board hasn't shown it leaving yet.
No6%Unlikely20%Maybe45%Probably71%Very likely93%% of flights that really left 15+ min late when we said that word ›Leaves12:00≈11:57
As of 08:39, UA4251 should push back about 11:57 (scheduled 12:00).
Boarding still follows the original schedule.
Why ≈3 min early
A usual afternoonUA4251's typical departure, last 90 days0
Your planeNot assigned yet0
On time on the board so farHouston departures board−1
Houston is running smoothly0% of departures in the last hour left 15+ min late−1
FAA plan for todayThe FAA expects constraints at Houston today−1
Leaves≈−3−6 to 1
weather at Houstonweather at LaredoUnited todaystorms, quakes, volcanoes
Cancelled? < 1 in 200
Check again 09:00Houston time
Last 90 days
11on time
1late
0very late
0cancelled
M
T
W
T
F
S
S
UA4251 Houston to Laredo left within 15 minutes of schedule on 11 of its last 12 flights, usually 4 minutes early, and 15 minutes or more late on 1. It wasn't cancelled once.