Airline Booking System:

Airline flights tickets are made from the interface called the GDS (Global Distribution System) which support partner airlines and travel agencies to book flights in one system. The airline reservation system is interlocked with flight schedules, fare basis tariff, ticket information and traveller detail. From the GDS system, the information is transferred to the secondary interface including the online inventory and mobile apps. The GDS consist of different software providers namely, Amadeus, Sabre, Travelport, Galileo and Abacus. Low Cost Airlines like Allegiant Air, which uses ticketless reservation, generally is not accommodated in the Global Distribution System. However, it is not subject to all low cost carriers.

Online Flight Booking:

The secondary inventory “Online Booking” can be used by all passengers. The online website system provides the entire live inventory, and it makes the inventory very dynamic. Flight reservation can be booked online through different portals; Airline website or agency website. Prices may not always be the same for the same flight. There are different set of fare rules allotted for different prices. The higher class will cost higher but it has lower restriction. The highest class ‘Y’ is a non-restricted full fare economy. The lower fares have different set of restrictions for each of the booking. The variations of restrictions may include, non-refundable fare, partially refundable, change penalty, seasonal restriction. United Airlines, American Airlines and Delta Airlines have introduced “Basic Economy Fare”. Basic Economy is a low fare ticket but non-refundable, non-changeable and non-transferable. Under Basic Economy the carry-on bag is not allowed.

Please read the terms and condition of the ticket provided before you complete the booking. It will also be e-mailed along with the itinerary and invoice.

Phone Flight booking:

Flight tickets can be booked over the phone with the help of a representative. United Airlines provides facility to book reservation over the phone with the help of IVR, so it is not required to speak to a live agent. However, if you wish to speak to a person, you can say ‘Agent’ any time in between. All the searches and the booking process in the IVR will be automatically transferred to the agent transferred to. Remember to ask the agent to recap the flights and passenger information detail before you end the call to make sure everything is accurate as planned. While booking flight reservation over the phone the following information will be required. Passenger’s name as it appears on the govt issued photo ID. Email is used to send the itinerary. The phone number is for providing flight notifications. Billing detail required for making the payment.

Travel Itinerary:

Passengers are recommended to review the flight itinerary sent out in the email. Check the flight timing, layover time (if any) and the terminal change. If a flight is making a stop in between, verify if there is a change in equipment. There are several flights which have the same flight number but are different aircrafts. In such cases, passenger had to change the flight in between. In case of any schedule change, passengers are communicated by phone or email.

Basic Airline Taxes by the US Government :

The following are the basic Taxes; it is subject to change (commission and omission), as per the directive of the Federal Govt.

U.S. Excise Tax – U.S. Domestic Transportation Tax – U.S. Ticket Tax 7.50%
Travel Facilities Tax – aka Alaska and Hawaii Ticket Tax 8.70 USD
U.S. Federal Segment Fee 4.00 USD
PFC -Passenger Facility Charge 4.50 USD
U.S. International Transportation Tax (Arrival and Departure) 17.50 USD
September 11th Security Fee (For every boarding & de-boarding) 5.60 USD
U.S. Customs Fee 5.50 USD
U.S. Immigration and Naturalization Fee 7.00 USD
U.S. Animal and Plant Health Inspection Service (APHIS) Fee 5.00 USD


Major Airport Hubs for the Airlines in United States:

United Airlines:

Chicago O’hare (ORD), Denver (DEN), Houston (IAH), Los Angeles (LAX), Newark (EWR), San Francisco (SFO), Washing Dulles (IAD)

Delta Airlines:

Atlanta (ATL), Boston (BOS), Detroit (DTW), Los Angeles (LAX), Minneapolis (MSP), JFK, LaGuardia (LGA), Salt Lake City (SLC), Seattle (SEA)

Southwest Airlines:

Phoenix (PHX), Orlando (MCO), Oakland (OAK), Los Angeles (LAX), Las Vegas (LAS), Denver (DEN), Dallas-Love (DAL), Chicago Midway (MDW), Baltimore (BWI), Atlanta (ATL), Houston-Hobby (HOU)

American Airlines:

Reagan International (DCA), Phoenix (PHX), Philadelphia (PHL), LaGuardia (LGA), JFK, Miami (MIA), Los Angeles (LAX), Ft Worth (DFW), Chicago (ORD), Charlotte (CLT)


Check in facility is available in different options: Online Check In starts 24 hours from the departure of flight.  Airport Check In begins 4 hours from the time of departure.  Kiosk Check In facility is available at the airport and can be done within 4 hours of the flight.  Mobile app Check In is not available with all the airlines; it opens up 24 hours from the departure.

Baggage Policy:

Carry on: Carry on should not exceed 45 Linear inches (L + H + W). Liquid over 3.5 ounces is not allowed onboard the plane. All semi liquid including lotion, shampoo, cream, toothpaste and gel is integrated in the liquid policy. Dangerous objects and harmful items are not allowed on the plane. Please refer to the guidelines in detail.

Checked Bag:

Check-In bags for domestic flight should not exceed 50 lbs and 62 linear inches. Wheels and handles are included as a part of the measurement. The cost of the check-in bags differ depending on the airlines, route, distance and type of booking. Please refer to the specific Airlines pages for more information.

Flight Change/rebooking: Flight tickets can be changed by paying the penalty of $200.00 per passenger within the domestic destinations. The change fee may cost higher depending on the terms and condition of the ticket booked. In case there is a fare difference in the fare, passenger will be required to pay the difference in the fare. Check specific page for all exemption information.


Infant can travel within domestic without any extra cost. International destination requires to paying taxes for the infant. A child of less than 2 years old is considered as infant. It is required to book tickets for children above 2 years old.

Unaccompanied Minor:

Children under 5 years old are not allowed as Unaccompanied Minor (UMNR). Children between 5-14 years can travel non-stop flight by applying for assistance. Every airline has different fee structures for the assistance. Major carriers like United Airlines, Delta Airlines and American Airlines charge $150.00 each way. If there are more than one child traveling together in a reservation, the fee will be charged only once and it will cover all the children.