Guides

Travel guides

Basic economy rules, the best airline for legroom, Wi-Fi and bags, which bags fit where, what you're owed for a delay, airport rankings and flight search sites compared. Built on the same sourced data as our tools.

Basic economy

What the cheapest fares include on each airline, and what changed in 2026.

Basic economy compared American Basic Economy Delta Main Basic United Basic Economy Southwest Basic Alaska Saver JetBlue Main Base Hawaiian Main Cabin Basic WestJet UltraBasic

The best U.S. airline for…

Best U.S. Airline for Legroom Best U.S. Airline for Free Wi-Fi Most On-Time U.S. Airline U.S. Airline with the Fewest Cancellations U.S. Airline with the Cheapest Checked Bags Best U.S. Airline for Carry-On Bags U.S. Airline with the Biggest Personal Item Cheapest U.S. Airline for Overweight Bags

Which airlines accept my bag?

22 × 14 × 9 in carry-on 24 × 16 × 10 in carry-on 55 × 40 × 20 cm carry-on 55 × 40 × 23 cm carry-on 55 × 35 × 25 cm carry-on 56 × 45 × 25 cm carry-on 56 × 36 × 23 cm carry-on 18 × 14 × 8 in personal item 17 × 13 × 8 in personal item 40 × 30 × 20 cm personal item 40 × 30 × 15 cm personal item 45 × 36 × 20 cm personal item

Delays, cancellations and your rights

Which rules cover my flight?EU261 (European Union)UK261 (United Kingdom)U.S. DOT refund rules Canada's Air Passenger Protection Regulations

Flight search sites compared

Google Flights vs Kayak Google Flights vs Skyscanner Kayak vs Skyscanner Google Flights vs Hopper Expedia vs Google Flights Hopper vs Kayak

Airport rankings

Airports with the Fastest Public Transit into Town Best Airports to Leave on a Layover U.S. Airports with the Shortest Connections Airports with a Hotel in or Connected to the Terminal

Data and updates

Travel rule changesDated, sourced log Research and dataStudies with CSV downloads How we check our data

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