Can someone point me in the right direction. I'd like to do my first MR on DL and I've found what I hope is a great flight on ITA but I can't book it on DL's website for some reason. Can someone explain what is going on or what I am doing wrong here?

Nov 9th is my 37th B-day and there would be no better way to celebrate it than being in Singapore.

MSP to JFK - Sat, Nov 8th Dep: 7:05 am Arr: 10:54am

JFK to NRT - Sat, Nov 8th Dep:11:59am Arr: 4:10pm Sun Nov 9th

NRT to SIN - Sun, Nov 9th Dep: 5:55pm Arr: 12:35am Mon Nov 10th

SIN to NRT - Mon, Nov 10th Dep 6:55am Arr: 2:35pm

NRT to ANC - Mon, Nov 10th Dep 4:50pm Arr: (SEA) 8:44am
Dep - SEA to ANC - Mon Nov 10th 11:55am Arr: (ANC) 2:37pm

ANC to MSP - Tue, Nov 11th Dep 12:50am Arr: (PDX) at 5:25am
Dep PDX - Tue, Nov 11th 7:00am Arr 12:12pm Tue, Nov 11th

Including Taxes and Fees ($1430.40)