Hi guys, just browsing on Google I noticed this interesting scene. A NW Colored 747 and a United Airbus with the new colors on it...I would've thought by the time the first UA Airbus was painted to new, there would've been no NW Colored 747 left..
Also at the terminal where the NW 744 is, there is a 737 and a 757 - both with "Continental" titles. The Continental titles were changed to United name decals much quicker than the tulip repaints. Seeing the number of widebodies at the United terminal that are in new livery, this would also add to the "evidence" that the NW/CO side is an older photo. Good eye, OP.
The best time to plant a tree is 40 years ago. The second best time is today.
That is what it is. They splice two different shots. Not just at airports, either. If I look up my house, it shows the car I had in 2008 in my driveway, yet two blocks over, my friend's brand new car is visible parked out front of his house.