Carry-on rules for 75 airlines, cited.
Try it below, no signup, no setup. Direct from each airline’s published policy, verified monthly.
- 75
- Airlines
- 152+
- Packing lists
- 81
- Destination guides
Every figure cites the source. Last verified · MAY 20, 2026
As featured in
Forbes
04.2026
Here's Your Summer 2026 Digital Survival Kit For Flight Delays And Cancellations
By Christopher ElliottMentions 2 tools
Airline Comparisons
All comparisons →Popular matchups
Is Spirit actually cheaper than United after baggage fees? We compared total cost, on-time rates (they're nearly identical), and the bankruptcy risk.
Southwest dropped free bags and added assigned seating. Is Delta the better domestic pick now? We compared reliability, total cost, and loyalty programs.
United cancels half as often, but American includes a free carry-on on basic economy. Which legacy carrier is the better pick in 2026? We compared the data.
Delta is 8 points ahead on-time. American's miles are worth 40% more. Which advantage matters for your trips? We compared cost, reliability, and loyalty.
Head-to-head on bags, reliability, premium cabin, routes, and the combined Atmos Rewards program. What the merger means for travelers in 2026.
Alaska is nearly 7 points ahead on-time, but JetBlue has 3 extra inches of legroom and free Wi-Fi for everyone. Which matters more for your trip?
Latest comparisons
Both fly Paris CDG and strip the cheapest fare to no-overhead-bag. AF wins on long-haul A350 business class. easyJet wins on bag-bundle math and price.
AirAsia caps cabin at 7 kg, Scoot at 10 kg with the same 40 by 30 by 10 cm personal item. Scoot expands 787 long-haul; AirAsia drops widebody. Compared.
BA has no published carry-on weight limit at 23 kg per bag. Ryanair caps at 10 kg with paid Priority. Heathrow vs Stansted, Club Suite, on-time compared.
EVA wins on premium economy pitch, fleet age, and operational steadiness. Thai wins on Bangkok hub depth and Royal Silk's new A350 cabin. Compared.
Destination Guides
All 81 destinations →Tokyo, Japan
A neighborhood-by-neighborhood plan for first-timers who want to eat well, move efficiently, and skip the tourist traps.
Paris, France
A local-tested plan for first-timers who want to eat well, skip the lines, and find the neighborhoods where Paris actually lives.
Barcelona, Spain
A neighborhood-by-neighborhood plan for first-timers who want Gaudi, beaches, and tapas without the tourist-trap markup.
London, United Kingdom
A first-timer's plan that uses London's 20+ free world-class museums as the backbone and fills the gaps with markets, pubs, and parks.
Rome, Italy
How to see the Colosseum, Vatican, and Trastevere without overpaying for anything, plus the booking mistakes that cost most first-timers an extra day of waiting in line.
Bali, Indonesia
Where to base yourself, what to skip, and how to spend $40 to $300 per day without wasting a single one.
Bangkok, Thailand
A 3-day plan for Thailand's capital with real costs in baht, BTS and boat routes, and the neighborhoods where locals actually eat.
Istanbul, Turkey
How to see Hagia Sophia, the Grand Bazaar, and the Asian side without overpaying for taxis, falling for restaurant tricks, or wasting half a day in the wrong neighborhood.
Lisbon, Portugal
A walking-first guide to Lisbon's seven hills, with transit shortcuts, the day trips worth taking, and the tourist traps worth skipping.
Seoul, South Korea
A neighborhood-by-neighborhood plan for first-timers who want to eat well, navigate the subway like a local, and skip the tourist traps.
Amsterdam, Netherlands
A practical 4-day plan that skips the tourist traps and leans into the city the locals actually use.
Berlin, Germany
A neighborhood-by-neighborhood guide to Berlin's best food, Cold War sites, and the city that does not care what time you eat breakfast.
New York City, United States
A local-tested route through Manhattan and Brooklyn that keeps you off the tourist treadmill and under budget.
Dubai, United Arab Emirates
Most tourists spend their entire trip in Downtown and the Marina. The older parts of Dubai, the free attractions, and the affordable food are all within a short metro ride.
Packing Lists
All packing lists →Tokyo, Japan
4 seasons, plug types A/B, visa-free 90 days
Paris, France
4 seasons, plug types C/E, Schengen 90 days
Barcelona, Spain
Mediterranean climate, plug types C/F
London, England
Rain layers essential, plug type G, UK ETA required
Bali, Indonesia
Tropical year-round, plug type C, temple dress codes
Bangkok, Thailand
Hot year-round, plug types A/B/C, visa-free 60 days
Embeddable Widgets
All widgets →Carry-On Size Widget
Verified carry-on and personal item dimensions for 75 airlines. Light/dark themes, custom accent color.
Get embed codeBag Fit Checker Widget
Readers enter bag dimensions and instantly see which airlines accept their bag. 5 presets, region filtering.
Get embed codeChecked Bag Fee Widget
Compare checked bag fees across 50 airlines with a built-in calculator. Sorts cheapest first.
Get embed codeTravel Guides
All guides →Best Airline for Flying with Checked Musical Instruments (2026)
Southwest is the US guitar gold standard. American and Delta lead for CBBG cellos. Lufthansa expanded cabin to 125 cm March 2026. Avoid WestJet for cellos.
Best Airline for Flying with an Infant (2026)
Singapore has the largest bassinet (14 kg). United's 35 lb widebody bassinet is industry-high. ANA/JAL put bassinets in Business. Delta One has zero.
Best Airline for Flying with Pets in Cabin (2026)
Alaska wins overall at $100 in-cabin fee. JetBlue best for cats. Spirit's 40 lb cap fits big small dogs. Hawaiian rules inter-island at $35. Avoid BA, United.
Cruise Comparisons
All comparisons →Cunard vs Carnival 2026: Same Parent Company, Completely Different Cruise
Cunard's Queen Mary 2 transatlantic crossings and themed Gala Evenings against Carnival's Fun Ship energy and budget pricing. Both owned by Carnival Corporation, but the experience could not be more different.
Cunard vs Celebrity 2026: Two Premium-Plus Brands, One Traditional and One Modern
Cunard's Queen Mary 2 transatlantic crossings, themed Gala Evenings, and three-tier dining against Celebrity's Edge class design, Infinite Veranda balconies, and James Beard-affiliated chefs. Heritage formality versus modern refinement.
Cunard vs Disney Cruise Line 2026: Maritime Tradition or Disney Magic at Sea?
Cunard's Queen Mary 2 transatlantic crossings, Gala Evenings, and three-tier dining against Disney's character meet-and-greets, rotational dining, and Castaway Cay. Two premium-priced lines for very different travelers.
Cunard vs MSC Cruises 2026: British Heritage Liner or European Mega-Ship?
Cunard's Queen Mary 2 transatlantic crossings and Gala Evenings against MSC's World class mega-ships and MSC Yacht Club. Two European-rooted lines with very different approaches to size, formality, and pricing.
Build Logs
All posts →75 Destinations Ranked by Daily Budget: 2026 Data
Maui costs 8.5x Ho Chi Minh City per day. Every US city in the dataset sits in the top third. The full ranking, the chart, and why the daily number lies.
I'm Only Building Dead Simple Apps From Now On
I opened Bloons TD to play a quick round and closed it without playing. Four modals appeared before I could see the homescreen. From now on, my apps do one thing.
How to Book Connecting Flights Without Ruining Your Trip
A practical guide to picking layovers that actually work, from minimum connection times to carry-on traps that can wreck your plans at the gate.
Projects
All projects →
Carry-On Embed Widget
Free embeddable carry-on size checker for travel blogs
PackSmart
Free AI packing assistant tool with real-time weather data
Roamly
AI-powered group travel planning that finds destinations everyone can agree on
Frequently Asked Questions
- Use the carry-on size checker to look up your airline. Each airline page shows verified carry-on, personal item, and checked bag dimensions, weights, and fees. Every number is sourced from the airline's own policy page with a "last verified" date.
- Yes. The airline baggage database, carry-on and personal item size checkers, checked bag fee comparison, packing list generators, airline comparison pages, and destination guides are all free with no signup required.
- Every airline policy on Vientapps is sourced directly from the airline's own published rules, cross-referenced across multiple sources, and cited with a link on the page. Coverage spans 75 carriers including major US, European, Middle Eastern, and Asian airlines.
- Airline pages are verified against the airline's official website on a rolling basis. Each page shows a "last verified" date so you can check freshness before your trip. Major policy changes (like fee increases or size rule updates) are usually reflected within a week.
- Yes. The carry-on size widget, bag-fit checker, and checked bag fee calculator are all free to embed. Just copy a short HTML snippet. No cookies, no API key, auto-updating data. See the widgets page for embed codes and customization options.
- Caden Sorenson, a senior staff engineer with 15+ years of experience. He runs Vientapps from Logan, Utah as a one-person indie studio. Every tool is built in public with an honest write-up of what shipped, what broke, and what he would do differently.
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