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Important information about the United – Continental merger

Air Canada's Star Alliance partners United and Continental Airlines are in the process of closing their merger, culminating in the transition to a single customer reservation system in the early morning hours of March 3, 2012. Among other things, this will result in the retirement of Continental Airlines flight numbers, meaning that all flights will operate as United, under the “UA” airline code.

United and Continental Airlines have advised that their systems will be unavailable on March 3, 2012 between 2 am and 5 am EST (7 am and 10 am GMT). Air Canada passengers will be unable to check in using Web, mobile, or kiosk applications between these hours if they are flying on:

  • Air Canada and have a connecting flight to United or Continental
  • an Air Canada codeshare fight that is operated by United or Continental

If the above is applicable to your journey and you do attempt to check in between 2 am and 5 am EST (7 am and 10 am GMT), you will be directed to see to an Air Canada agent at the airport counter to complete your check-in. Please ensure you have your E-Ticket itinerary receipt available for the check-in agent.

As of March 3, 2012 all flights previously operated by Continental Airlines (CO) will be operated by United Airlines (UA). Flight numbers remain the same, e.g. if you were previously booked on CO654 the flight number will be UA654. Your E-Ticket itinerary receipt may still indicate Continental Airlines; however you will be able to check in as normal for your United Airlines operated flight.

If you're an Aeroplan Member travelling on flights operated by United or Continental Airlines during this period:

  • Continue to check in with the carrier who is operating the first flight for your journey on the day of travel. Remember, if your itinerary/receipt reflects that a flight is operated by Continental Airlines, effective March 3, 2012, you will check in with United Airlines.
  • We encourage you to check the latest information regarding your United or Continental Airlines flight by visiting united.com.
  • You'll continue to earn Aeroplan Miles for eligible flights. Simply ensure that you provide your Aeroplan number at the time of reservation or check-in.
  • It will not be possible to request a Star Alliance Upgrade Award on flights operated by United through the middle of March, 2012.

If you're a United Mileage Plus or Continental Airlines OnePass member travelling on flights operated by Air Canada during this period:

  • Continue to check in with the carrier who is operating the first flight for your journey on the day of travel.
  • We encourage you to check the latest information regarding your Air Canada flight by using our Flight Status service on aircanada.com, or by downloading the Air Canada App for your Internet-enabled smart phone.
  • You'll continue to earn miles for eligible flights with your 11-digit Mileage Plus number, your 8-digit OnePass number, or your new 8-digit Mileage Plus number. There is no need to update your frequent flyer number information on existing reservations. When making new reservations, we encourage you to use your new 8-digit Mileage Plus number.
  • It will not be possible for Mileage Plus or OnePass members to request a Star Alliance Upgrade Award on flights operated by Air Canada through the middle of March, 2012.

For more details about the merger of United and Continental Airlines, visit united.com.

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