byAir vs. Japan Airlines

No. Keep JAL for booking, check-in, seats, official updates, mileage, and onboard services. byAir adds independent tracking and one view across carriers.

Yes. Import the itinerary from email or calendar, forward it, scan it, or add flights manually. byAir can keep JAL and partner-operated flights in one timeline.

On eligible flights, byAir Predict can show a clearly labeled predicted time and likely reason before the official estimate changes. Coverage varies, and JAL’s status remains official.

Use the Japan Airlines app for official meal timing, inflight entertainment, and onboard Wi-Fi guidance. byAir focuses on the operational journey and connections around the flight.

Its public app listing focuses on JAL travel, mileage, and onboard services, not a personal statistics dashboard spanning every airline. byAir combines completed flights from the carriers you add.

Use JAL and the operating carrier for official documents and changes. Use byAir to keep partner flights and independent connection context in one timeline.