The airline ticket that Mark Young purchased for his Christmas trip to Omaha was made on Oceanic Air. For those not familiar with Lost, Oceanic Air flight 815 is what crashed on that mysterious island.
Interestingly, Lost is now using a new fictitious airlines for the show - Aijia Airways.
Here you will find screen captures of each episode of Fringe which are of special interest and/or that contain easter eggs. Easter eggs are hidden content intentionally inserted by the creators of Fringe. If you would like to request a screencap, you can do so by leaving a comment here.