Will AC4579 be delayed today?
San Francisco → Tucson · Sun 1 Nov · Air Canada · operated by United as UA5433
same answer since San Francisco time
No. It should leave on time.
It should have left by now. The board hasn't shown it leaving yet.
No6%Unlikely20%Maybe45%Probably70%Very likely93%% of flights that really left 15+ min late when we said that word ›Leaves08:22≈08:16San Francisco time
Lands11:41≈11:29Tucson time
As of 01:49, AC4579 should push back about 08:16 (scheduled 08:22) and land about 11:29 (scheduled 11:41).
Boarding still follows the original schedule.
Why ≈6 min early
A usual morningUA5433's typical departure, last 90 days−6
Your planeNot assigned yet0
Leaves≈−6−8 to 8
Made up in the air−6
Lands≈−12
weather at San Franciscoweather at Tucsondepartures at San FranciscoUnited Airlines todayFAA plan for todaystorms, quakes, volcanoes
Cancelled? < 1 in 200
Check again 05:22San Francisco time
Meeting someone?
Last 90 days
70on time
5late
5very late
0cancelled
M
T
W
T
F
S
S
AC4579 San Francisco to Tucson left within 15 minutes of schedule on 70 of its last 80 flights, usually 3 minutes early, and 15 minutes or more late on 10. It wasn't cancelled once.