Confused by travel industry jargon like ATOL, PNR, or code-share flights?! Whether you’re booking your first trip or planning like a pro, understanding common travel terms can save you time, money, and stress. This travel industry jargon guide breaks down the most-used industry acronyms and phrases, so you can navigate bookings, flights, and travel documents with confidence.
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Accommodation
- AI (All Inclusive): Accommodation with all meals, snacks, and selected drinks included throughout the stay.
- AI+ (Premium All Inclusive): Offers upgraded dining options, à la carte restaurants, and branded or premium alcoholic beverages.
- BB (Bed & Breakfast): Includes overnight stay plus breakfast served daily, often continental or buffet style.
- FB (Full Board): Covers breakfast, lunch, and dinner; beverages may not be included unless specified.
- HB (Half Board): Includes breakfast and one additional meal, usually dinner, with drinks charged separately.
- Rack Rate: The full price of a hotel room before any discount.
- RO (Room Only): Accommodation without meals included; guests pay separately for any food or drinks.
- SC (Self Catering): Accommodation with kitchen facilities allowing guests to prepare their own meals.
Booking Basics & Travel Logistics
- Blackout Dates: Peak travel dates when discounts or promo fares don’t apply.
- DMC (Destination Management Company): Local experts who manage group trips, events, and logistics in a destination.
- Dynamic Pricing: Rates that change based on demand, season, or booking behaviour.
- Errata: Are official updates correcting holiday details to ensure travellers have the latest accurate information.
- FIT (Free Independent Traveller): A traveller who plans and books their own trip, not part of a group tour.
- GDS (Global Distribution System): A booking network connecting airlines, hotels, car rentals, and travel agents.
- LTA (Linked Travel Arrangements): When a traveller buys separate travel services from different providers through the same booking process, giving limited protection compared to a package holiday.
- Net Rate: A commission-free price offered to agents or partners, common in B2B travel deals.
- No Show: A booked guest or passenger who fails to check in.
- Overbooking: Selling more seats or rooms than available to offset potential no-shows.
- PAX: Industry shorthand for passenger.
- Shoulder Season: The travel period between peak and off-peak – fewer crowds, better rates.
Flight Types
- Around-The-World Flight: A multi-stop itinerary crossing multiple continents, typically returning to the original departure point.
- Charter Flight: A private or non-scheduled flight arranged by a group or company.
- Connecting Flight: A trip requiring a plane change, with less than 24 hours between flights.
- Direct Flight: No plane change, though stops or refuelling may occur en route.
- Domestic / Internal Flight: A domestic flight operating within the same country’s borders.
- Indirect Flight: A journey requiring one or more stops or plane changes before reaching the final destination.
- Open-jaw Flight: A ticket where the traveller flies into one city and departs from another, often used for multi-stop itineraries.
- One-way Flight: A single journey from one destination to another without a return leg.
- Private Charter: A non-scheduled flight arranged exclusively for individuals, groups, or companies.
- Return Flight: A round-trip ticket that includes both outbound and inbound travel between 2 destinations.
- Scheduled Flight: A flight that operates on a published timetable and sells seats individually to the public, typically run by commercial airlines (British Airways, Emirates etc).
Airfares
- Change Fees: Any changes after booking incur extra charges.
- Code Share Flight: A shared flight sold by multiple airlines but operated by one carrier.
- Fare Class: A letter code showing what’s included in the ticket, with stricter rules on cheaper fares.
- Interline Agreement: An airline partnership allowing single-ticket bookings across carriers.
- IT (Inclusive Tour) Fare: A fare offered to tour operators that must be packaged with another product like accommodation, vehicle hire, or a cruise.
- ODR (Out of Date Range) / Unpublished Fare: A flight booked as part of a package before the fare is officially published, usually more than 11 months before departure.
- Price Guaranteed: The fare cost is locked in, though the route may change.
- Price Not Guaranteed: The fare cost may fluctuate, with no fixed price assurance.
- Published Fare: The standard price an airline publicly lists – the “official” fare anyone can book.
- Route Guaranteed: The flight path is confirmed, though the price may vary.
- Route Not Guaranteed: The exact flight path may change, with no certainty.
- Seat Allocation: Each fare class has a limited number of seats available.
- Seat‑Only Fare: Must be paid in full at booking and ticketed instantly.
Flights & Aviation
- Airline Code: A 2‑letter code used to identify airlines on tickets, timetables, and flight numbers.
- Airport Code: A 3-letter code for airports used in tickets, timetables, and luggage tags.
- Block Time: Total time from when an aircraft first moves for takeoff until it stops after landing.
- Bulkhead Seat: First-row seats in each cabin, often with extra legroom.
- Chocks On: Point when wheel chocks are placed to secure the aircraft after parking.
- Non-Stop Flight: A flight from A to B with zero stops.
- Exit Rows: Seats next to emergency exits, often with more space and added responsibility.
- Flight Number: A unique code combining an airline’s 2‑letter code with digits, used to identify a specific flight on tickets, timetables, and departure boards.
- Flight Status: Real-time updates on a flight’s departure, arrival, or delay.
- Hub Airport: A central airport used by airlines to connect passengers to other destinations.
- Layover / Stopover: A stay in a transit city before reaching your destination.
- MCT (Minimum Connection Time): The shortest time needed to transfer between flights at an airport.
- Overland Segment: Travel between destinations by land (train, car etc) instead of flying.
- PNR (Passenger Name Record) / Flight Locator: Your booking reference or reservation number.
- Positioning Flight: A separate flight you take to reach the airport where your main (usually cheaper) flight begins.
- Transit: Passing through an airport on the way to somewhere else without entering the country.
Cruise
- Future Cruise Desk: The onboard desk where guests can book their next holiday, often transferable to their preferred agent.
- GTY (Guarantee Cabin): You select a cabin type (e.g., interior, oceanview, balcony, suite) but not the exact cabin.
- First / Second Seating: The dining time slot allocated to your party in the main dining room.
- MDR (Main Dining Room): The ship’s main dining room where most sit‑down meals are served.
- OBC (On Board Credit): Money added to a guest’s account to spend during the cruise, often as a promotion.
- Promenade: An open deck that circles the ship, perfect for strolling with sea views.
- Pullman: A bed that folds down from the wall above the main bed to accommodate extra guests.
- Shorex: A shore excursion booked either before travel or once on board.
- Tender/At Anchor: When the ship anchors offshore and guests reach land via small boats.
Travel Regulators & Protection Bodies
- ABTA (Association of British Travel Agents): Offers legal and financial protection for holidays involving rail, cruise or self-drive (not flight-inclusive packages).
- AITO (Association of Independent Tour Operators): Represents specialist travel companies. Members follow strict quality and financial standards, offering expert-led, protected holidays.
- ATOL (Air Travel Organisers Licensing): Protects package holidays with flights. If a company fails, customers are refunded or flown home on repatriation flights (ATOL-certified only).
- CAA (Civil Aviation Authority): Regulates UK civil aviation – covering safety, consumer rights, and airline standards.
- DFT (Department for Transport): A UK government body that sets national transport policy, oversees infrastructure investment, and works with agencies like the CAA and National Highways to ensure safe, efficient, and sustainable travel across road, rail, air, and sea.
- IATA (International Air Transport Association): Sets global standards for airline safety, security, and sustainability.
- PTR (Package Travel Regulations): UK legislation that makes tour operators fully responsible for the entire holiday package; covering flights, accommodation, and transfers, while ensuring travellers receive clear information, financial protection, and support if problems arise.
Find planning tools, digital guides, and travel must‑haves in the Pretty Planet Shop. Browse my Amazon Storefront for the best travel gadgets and accessories for your next trip.
You may also find these other blog posts helpful:
- A Quick Guide To The Best Travel Apps
- Understanding Avios: How To Earn, Use & Maximise Them
- Why Travel Insurance Is So Important For Every Trip

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