Updated on April 22nd, 2026

Flight Time Calculator

Created By Jehan Wadia

Advanced Options

LAX
LHR

Estimated Flight Time

Flight Duration
10h 53m
Distance
5,456 mi
Average Speed
550 mph
Estimated Arrival
Flight Details
Distance (miles)5,456 mi
Distance (kilometers)8,781 km
Distance (nautical miles)4,742 nmi
Aircraft TypeCommercial Jet
Cruise Speed550 mph / 885 km/h
Wind AdjustmentNone
Effective Speed550 mph
Flight Duration (decimal)10.88 hours
Flight Time by Aircraft Type
Aircraft Type Speed (mph) Speed (km/h) Flight Time
Flight Time Comparison

Introduction

The Flight Time Calculator helps you figure out how long a flight will take between two places. Whether you are planning a vacation or a business trip, knowing your flight time makes it easier to plan your day. This tool takes into account the distance between airports and average flight speeds to give you a quick estimate. It is a simple way to answer the common question: "How long is my flight?" Use it to compare routes, plan layovers, or just get a rough idea of your time in the air.

How to Use Our Flight Time Calculator

Enter your departure and arrival details below to find out how long your flight will take. The calculator will give you the total flight time between two locations.

Departure City or Airport: Type in the name of the city or airport where your flight takes off. You can use the airport code (like LAX or JFK) or the full city name.

Arrival City or Airport: Type in the name of the city or airport where your flight lands. Again, you can enter the airport code or the full city name.

Departure Date: Pick the date you plan to fly. This helps the calculator account for things like time zone changes and seasonal wind patterns that can affect flight duration. You can also use our Date Duration Calculator to figure out how many days your trip will last.

Departure Time: Enter the time your flight is scheduled to leave. This is used to calculate your arrival time in the destination's local time zone.

Number of Stops: Select how many layovers or stopovers your flight has. A direct flight has zero stops. Adding stops will increase your total travel time.

Layover Duration: If your flight has one or more stops, enter the total time you will spend waiting at connecting airports. This is added to your overall travel time.

What Is Flight Time?

Flight time is the total amount of time an airplane spends in the air traveling from one place to another. It starts when the plane leaves the ground (takeoff) and ends when it touches down at the destination (landing). Flight time does not include the time you spend waiting at the gate, taxiing on the runway, or going through security.

Why Flight Time Matters

Knowing your flight time helps you plan your trip better. It tells you how long you'll be sitting on the plane, when you'll arrive, and how to prepare for the journey. Longer flights mean you should bring snacks, entertainment, and maybe a neck pillow. Shorter flights might only need a book or some music. If you're curious about how much your trip fuel might cost on a road trip alternative, try our Fuel Cost Calculator.

What Affects How Long a Flight Takes?

Several things can change how long your flight will be:

  • Distance: The farther apart two cities are, the longer the flight.
  • Wind: Strong headwinds slow a plane down, while tailwinds push it along faster. Flying east is often quicker than flying west because of global wind patterns called jet streams.
  • Flight path: Planes rarely fly in a perfectly straight line. They follow air traffic routes, avoid bad weather, and curve along the Earth's surface on longer trips.
  • Aircraft speed: Different planes fly at different speeds. Most commercial jets cruise at about 500 to 575 miles per hour (800 to 925 km/h). You can explore how speed relates to energy using our Kinetic Energy Calculator.
  • Layovers and stopovers: A direct flight is always faster than one with connections, where you stop at another airport before continuing.

Flight Time vs. Travel Time

It's important to know the difference between flight time and total travel time. Flight time is only the time in the air. Total travel time includes getting to the airport, checking in, boarding, flying, landing, taxiing, and picking up your bags. A 3-hour flight can easily turn into a 6- or 7-hour travel day when you add everything up. Our Work Hours Calculator can help you track how much of your day is consumed by travel.

Time Zones and Arrival Times

When you fly across time zones, your arrival time can look very different from what you expect. For example, a 5-hour flight heading east might make it seem like you arrived only 2 hours after you left. Flying west, the opposite happens — it can look like you traveled much longer. Always check whether times are listed in local time for each airport. If you need to calculate a specific date or figure out how many business days you'll miss while traveling, we have tools for that too.


Frequently Asked Questions

How does the Flight Time Calculator figure out the distance between airports?

The calculator uses the Haversine formula, which measures the shortest distance between two points on a sphere. It takes the latitude and longitude of each airport and calculates the great-circle distance in miles, kilometers, and nautical miles. This is the most accurate way to estimate how far apart two airports are.

Does the calculator add extra time for takeoff and landing?

Yes. The calculator adds 30 minutes to the raw flying time. This accounts for taxiing to the runway, takeoff, the initial climb, descent, landing, and taxiing to the gate. The actual in-air cruising time is calculated separately and then this buffer is added on top.

What speed does the calculator use for a commercial jet?

The default speed for a commercial jet is 550 miles per hour (about 885 km/h). This is a typical cruising speed for airliners like the Boeing 737 or Airbus A320. You can change the aircraft type or enter a custom speed in the advanced options.

How do I use the wind adjustment feature?

Open the Advanced Options panel and move the wind slider. A negative value means a headwind, which slows the plane down and makes the flight longer. A positive value means a tailwind, which speeds the plane up and shortens the flight. The value is added to or subtracted from the cruise speed in miles per hour.

Can I enter a custom flight speed?

Yes. Open the Advanced Options, select Custom Speed from the Aircraft Type dropdown, and type in your desired cruise speed. You can enter the speed in either mph or km/h, and the calculator will convert it automatically.

Why is my estimated arrival time showing a dash?

The arrival time only appears if you enter a departure date and time in the Advanced Options. Without it, the calculator has no starting point to figure out when you would land. Fill in the departure field and the arrival time will update.

Is the flight time shown an exact number?

No. The time shown is an estimate. Real flight times change based on weather, air traffic, the exact route the pilot flies, and the specific aircraft being used. Use this number as a helpful guide, not an exact schedule.

What is the difference between miles, kilometers, and nautical miles?

A mile is 5,280 feet and is used in everyday life in the US. A kilometer is 1,000 meters and is the standard unit in most other countries. A nautical mile is 1,852 meters and is the standard unit used in aviation and shipping. The calculator shows all three so you can use whichever you prefer.

How do I swap my origin and destination?

Click the swap button (the two-arrow icon) between the From and To fields. It will instantly switch the departure and arrival airports and recalculate the flight time for the return trip.

What airports are available in this calculator?

The calculator includes over 120 major airports around the world, covering major cities in North America, South America, Europe, Asia, Africa, the Middle East, and Oceania. Start typing a city name, country, or three-letter airport code and matching results will appear.

Why would a flight east be faster than a flight west?

The jet stream is a band of fast-moving wind that generally flows from west to east at high altitudes. Planes flying east often get a tailwind boost from the jet stream, which makes the trip shorter. Planes flying west go against it, which adds time. You can simulate this effect using the wind adjustment slider.

What does the Flight Time by Aircraft Type table show?

It shows how long the same trip would take on four different types of aircraft: a commercial jet, a regional turboprop, a business jet, and a light aircraft. This lets you quickly compare flight times at different speeds for the same route.

Does this calculator account for layovers or connecting flights?

No. This calculator estimates the nonstop flight time between two airports. If your trip has a layover, you would need to calculate each leg separately and then add your layover wait time to get the total travel time.

How accurate is the Haversine formula for flight distance?

The Haversine formula gives the great-circle distance, which is the shortest path over the Earth's surface. Real flight paths are usually a bit longer because planes follow set air routes, avoid restricted airspace, and sometimes detour around bad weather. The estimate is typically within 5 to 10 percent of the actual distance flown.