Originally Posted by LLZ
The tool sounds intersting enough just to check class availability, etc... I'll definitely be signing up. Can you pull up old PNR's on completed travel....like from months or even years ago? That would really be neat!
I believe PNR's get re-used, and expire with 24hrs of completion of travel. If there are remaining flights on the coupon, most airlines can pull up the details via the ticket number.