Routes
Lufthansa plans Nagoya’s return and additional Narita service
Two seasonal routes are planned for summer 2027.
Desk
Routes
Traffic rights, network planning, connectivity and the economics behind international air routes.
Start here
- Fifth-freedom routes: why one flight can connect three countries
These unusual services let an airline carry local passengers between two foreign countries, adding choice and complexity to a market.
- How air service agreements shape international routes
A bilateral agreement can define which airlines may fly between two states and under what rights.
- Seasonal routes: how airlines decide when a market is ready
Demand forecasts, aircraft time, airport slots and local sales determine whether a route flies all year, for one season or only a few weeks.
Routes
Nonstop, direct and connecting flights: read the itinerary
A direct flight can include a stop; the itinerary details matter more than the label.
Routes
Weekly flight frequency: why operating days matter
A weekly count does not tell you whether a route fits your travel dates or connection.
Routes
METAR and TAF: the weather reports behind flight planning
METAR reports observed airport weather; TAF describes expected conditions over a defined forecast period.
Routes
How air service agreements shape international routes
A bilateral agreement can define which airlines may fly between two states and under what rights.
Routes
Why the shortest line is rarely the route an aircraft flies
A great-circle track is a baseline, but winds, weather, airspace, performance and traffic constraints shape the filed route.
Routes
Seasonal routes: how airlines decide when a market is ready
Demand forecasts, aircraft time, airport slots and local sales determine whether a route flies all year, for one season or only a few weeks.
Routes
Fifth-freedom routes: why one flight can connect three countries
These unusual services let an airline carry local passengers between two foreign countries, adding choice and complexity to a market.
Routes
Why a route succeeds or fails
Beyond the map
Demand in both directions, seasonality, connecting traffic, bilateral rights, airport slots and aircraft availability all shape a new route. A short flight can be difficult to schedule if it misses a hub connection bank.
A schedule is a network promise
Frequency and arrival time can be as important as distance. When comparing route announcements, distinguish a filed schedule from a service that has started and check whether the airline or a partner operates it.
Questions about this topic
Does a longer aircraft range prove a route is possible?
No. Payload, wind, reserves, airport constraints, diversion planning and traffic rights must also fit. Published aircraft capability does not establish a filed route or a timetable.
How do I compare weekly capacity?
Multiply seats by operated departures for the same direction and dates. Keep frequency separate from seats: fewer larger flights may offer less weekly capacity and fewer choices.