Originally Posted by
DiverDave
The weird thing is the flight numbers are 868, 864. 892, and 901. The downloadable PDF flight schedule identifies 800-849 being Delta Connection Northwest - NW.
They have 5800-5899 identified as Pinnacle, but I guess they needed more numbers.
I always thought any number below 2100 was mainline.

Another complication for those who strive to stay off Barbie jets.