byAir vs. Singapore Airlines

The SingaporeAir app handles Singapore Airlines and selected partner bookings, check-in, boarding passes, seats, meals, entertainment, KrisFlyer, official updates, and eligible baggage tracking from Changi.

byAir adds one timeline across carriers, independent provider context, cross-airline history and statistics, and early delay signals on eligible flights.

One official app. One independent trip view.

Singapore Airlines controls its booking, services, and loyalty benefits. byAir adds a carrier-neutral view across partners, separate tickets, and the rest of the journey.

Get byAir

Compare apps

Availability depends on platform and plan. Features requiring byAir Pro are marked.

Features
byAir
Singapore Airlines
Official airline actions
Book Singapore Airlines or selected partner flights
Airline link
Official check-in and mobile boarding pass
Link & storage
Seat selection and trip extras
KrisFlyer account
KrisFlyer
Official checked-bag status in the app
Eligible Changi bags
Tracking and context
Real-time official flight status and gate
Any-airline trip timeline
SIA bookings
Multiple flight-data providers
Five providers
Official airline view
Inbound-aircraft context
Airport delay index
Trip tools
Gmail and Outlook auto-import

Publicly listed app capabilities reviewed in July 2026. Airline functions remain subject to the carrier’s current app, route, airport, device, and itinerary eligibility.

Singapore Airlines

  • Book Singapore Airlines and selected partner flights
  • Check in, select a seat, and open a boarding pass
  • Choose meals and follow eligible checked bags

byAir

  • See every carrier in one trip timeline
  • Check inbound-aircraft and airport-delay context
  • Get an early byAir Predict signal on eligible flights

Combine Singapore Airlines service with KrisFlyer

Book Singapore Airlines and selected partner flights, manage the trip, check in, keep boarding passes, choose seats and meals, preview entertainment, use KrisFlyer, receive official updates, and track eligible bags departing Changi.

SingaporeAir app booking screen
Official airline app · Singapore Airlines

Frequently Asked Questions

byAir app icon

See the whole trip, not only the airline segment

Keep SingaporeAir for official service. Add byAir for the complete journey.