Glossary
- B6 (JetBlue Airways)
- BA (British Airways)
- Baby Bus
- Backtracking
- Bank Bonus
- Basic Economy (BE)
- Battlefield Upgrade
- BCE
- BCP
- Belt Bumping
- Belt Grinding
- Best Available Rate (BAR)
- Best Western Rewards
- Be Your Own Data Point
- B Fare
- Bill Pay
- BIN
- Bin Anxiety
- Bin Blocking
- BIS (Butt in Seat)
- Black Card
- Blackout Dates
- Blogged to Death
- BLTN
- Bluebird
- BoB (Buy on Board)
- BOGO
- Bonus Category
- Bonvoyed
- BOS (Boston Logan)
- Branded Fares
- BRDG
- Breakage
- BRFG
- British Airways Club
- British Airways Executive Club (BAEC)
- Bucket
- Bump
- Burn
- Business Class
- Bust-Out
- BYODP