An upgrade from economy, the "W" fare class, to Polaris business class requires 40 PlusPoints, while lower-priced fare classes could require double that amount to get bumped on long-haul flights.

Frequent flyer miles can be your ticket to free flights, cabin upgrades or elite status, which can provide you with big perks ...

For example, United Airlines is more likely to upgrade you to business class from full-fare economy (Y fare) than from deeply-discounted economy (like K or G fares).

United Economy vs Basic Economy Over the last decade, United and many other airlines have sliced the overall economy section of their planes into smaller, more specific ticket types, each of which ...

If you're looking to upgrade your travel experience, which airline will give you the most for your buck? And how different ...

I recently booked basic economy domestic flights with United and Delta for similar prices. Each ride was about 4 ½ hours, but the two bookings felt like completely different classes to me.