What is the best way to get upgrade on our next trip either just partial or whole trip, using 500 miles certificates or miles any suggestion?
I am P1 with 6 500 miles certificates and she is P2 with 4 500 miles certificates we both have plenty of miles.

Thanks for any input, Love reading it all.

Karung99
Here is our itenerary:

1)United Airlines 0073
Jan 30 08:40 AM SFO
Jan 30 12:13 PM HNL Cabin: United Economy Seat: 16F, 16G
Fare Basis Code: TLXHKWL Booking class: T

2)United Airlines 0879
Feb 01 09:00 AM HNL
Feb 02 01:25 PM NRT Cabin: United Economy Seat: 22H, 22J
Fare Basis Code: TLXHKWL Booking class: T

3)United Airlines 0853
Feb 02 06:45 PM NRT
Feb 02 10:55 PM HKG Cabin: United Economy Seat: 32H, 32J
Fare Basis Code: TLXHKWL Booking class: T

4)United Airlines 0862
Feb 13 12:50 PM HKG
Feb 13 08:28 AM SFO Cabin: United Economy Seat: 33H, 33J
Fare Basis Code: TLXHKWL Booking class: T