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American Airlines aircraft in flight
Airline Guides

Every airline, decoded.Know before you book.

Carrier guides, baggage fee pages, alliance context, boarding rules, and fare class tradeoffs in one clean system for people comparing flights.

Explore airlines Baggage fees
51Carriers
3Alliances
40+Fee guides
Flying from the U.S.

Start with the carriers most travelers compare first

These guides sit at the top because they answer the most common booking questions: what is included, what costs extra, and which fare is actually worth buying.

American AirlinesAA

American Airlines

Hubs, baggage fees, boarding, Basic Economy, and oneworld decisions.

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Delta Air LinesDL

Delta Air Lines

SkyMiles, fare rules, baggage, boarding, and cabin tradeoffs.

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United AirlinesUA

United Airlines

Star Alliance network, baggage rules, fare classes, and hub strategy.

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Southwest AirlinesWN

Southwest Airlines

Assigned seats, paid bags, fare types, and what changed for loyal flyers.

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Alaska AirlinesAS

Alaska Airlines

West Coast network, Hawaiian integration, oneworld, and mileage value.

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JetBlueB6

JetBlue

Mint, free WiFi, coach legroom, baggage, and the United partnership.

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Alliance logic
Pack Smart with Deep Arrival Gear

Carry-on essentials

Move through the airport fast and keep everything in its place from gate to gate.

Best Personal Item BagsBest Personal Item BagsMaximize the free under-seat bagSee our top picks →Best Packing Cubes Best Packing CubesTurn your bag into a systemSee our top picks →Best Compression SocksBest Compression SocksComfort on long flightsSee our top picks →Best Flight Audio Adapter Best Flight Audio AdapterUse your own earbuds inflightSee our top picks →

Know when the airline is part of a larger travel system

Alliance membership affects lounge access, earning, redeeming, elite benefits, and backup options when a trip goes sideways.

Alliance

oneworld

American, Alaska, British Airways, Qatar, Iberia, Cathay Pacific, Qantas, and more.

Official site
Alliance

SkyTeam

Delta, Air France, KLM, Aeromexico, Virgin Atlantic, SAS, China Airlines, and more.

Official site
Alliance

Star Alliance

United, Air Canada, Lufthansa, SWISS, Turkish, ANA, Singapore, TAP, and more.

Official site
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Unaligned and budget

Southwest, JetBlue, Frontier, Allegiant, Spirit, Ryanair, easyJet, Volaris, and others play by different rules.

Filter directory
Every airline

Search the airline library without losing the baggage links

The directory stays comprehensive, but it is lighter, easier to scan, and built for mobile.

Fees and policies

The rules that change the real cost of a flight

Airlines are only half the decision. The fee and policy guides keep the booking math honest.

Baggage fees Fees

Baggage fees

Checked bag, carry on, personal item, and special item rules by carrier.

Compare fees
Boarding groups Boarding

Boarding groups

Understand who boards first, what status changes, and where bags run out.

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Family seating Family

Family seating

Rules, fees, and practical moves for families trying to sit together.

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Pick the carrier, then check the fee page.

That two step sequence catches most of the surprises that make a cheap fare expensive.

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