Boeing 737-700 · 724(W) MSN 28790

Registration N21723 · United Airlines

In service

Identity

TypeBoeing 737-700

Variant724(W)

FamilyB737NG

Series—

Line Number253

Test Reg—

Operators

OperatorUnited Airlines

Timeline

First Flight

06 Apr 1999

Delivery

22 Apr 1999

Age

27.6 yrs

Last Updated

29 Oct 2026

History

Boeing 737-724(W), serial number 28790, line number 253, first flight 6 Apr 1999. Delivered to Continental Airlines on 22 Apr 1999, registered N21723. N16737 re-allocated, winglets in service 30 Nov 2005. Merged into United Airlines on 10 Nov 2011. Current status: in service.

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