Join Date: Jan 2005
Location: New York, NY
Programs: UA, AA, DL, Hertz, Avis, National, Hyatt, Hilton, SPG, Marriott
Posts: 10,070
Possibly a V-Up fare that did not process at ticketing on your original flight (PN0?), or the agent determined you and your companion would have been #1 and 2 on the upgrade list, and cleared you early as a favor.