N737MC From Canada, joined Oct 2000, 680 posts, RR: 15 Posted (5 years 4 months 3 weeks 1 day 19 hours ago) and read 6023 times:
I noticed tonight DL is operating Flight #2849 from DTW-SEA with an Airbus A330-300. This flight is normally operated by a Boeing 737. Is this one going for maintenance tonight in SEA or just positioning for another flight? Anyone know the reg?