Identical Flight numbers?
Hi.
Just getting back to flying DL after quite an absence and I have a question.
Why does DL use identical flight numbers for some flights? I know about say DL56 NRT-ATL(B777)-CVG(MD88). That I can accept, but why this example DL5050 ATL-YYZ (and back) DL5050 YYZ-ATL ??