How are flight numbers assigned?

Numbering conventions vary widely from airline to airline. A few general guidelines apply to most carriers: One- and two-digit flight numbers are generally reserved for long-haul or other premium flights. Flight number 1 is often for an airline’s “flagship” service. Four-digit numbers under 5000 are typically used for regional affiliate …

Since the airlines only allow me to hold a ticket for 24 hours, can I keep re-booking it to buy another 24 hours until I’m ready to buy the ticket?

The airlines have a word for that. It’s called “churning” and it is not permitted. The airlines employ sophisticated technology to catch people doing this and respond with cancellations, denied fares, and debit memos charging penalties. Travel-On, like all travel management companies, does not engage in this practice. Travelers who …