plan & book

Midwest Airlines codeshare agreement

Now you can purchase a Frontier Airlines ticket to several U.S. destinations on flights operated by Midwest Airlines. You'll enjoy new service to destinations like Pittsburgh and Cleveland, PLUS expanded service to New York, Washington D.C., and Milwaukee - to name a few.

how it works

• You'll book a Frontier flight and receive a Frontier electronic ticket and one or more of your flight segments may be operated by Midwest Airlines or Midwest Connect.
• Choose to earn either Frontier EarlyReturns miles or Midwest Miles by entering your frequent flyer number at the time of booking.
• When your travel day arrives, check in with the airline operating your first flight segment* (identified on your ticket and in your reservation).
• When you check in, you'll get boarding passes for all flight segments to get you to your destination.
• If you have a connection in any city, there's no need to re-check your bags. Your baggage will be seamlessly transferred between flights.
• Save up your EarlyReturns miles or Midwest Miles to redeem award travel on either airline.

codeshare destinations

Before you book, review our route map to see which cities are served by Midwest Airlines or Midwest Connect.

We'll identify Midwest flights throughout the online booking process, on the confirmation page and in your confirmation email so you'll always know if you are booking a flight operated by Midwest Airlines or Midwest Connect.

After you book, you'll be able to identify a Midwest Airlines segment by looking for a flight number between F94000 and F94799

pets on midwest

Please contact Midwest Airlines directly for specific pet rules and regulations.

where do I check-in?

Regardless of which airline you use to book your ticket, you will check in with the airline operating your first flight segment* (identified on your ticket and in your reservation).

*Please note that baggage fees, confirmed alternate flight fee and other policies may differ on flights operated by Midwest Airlines or Midwest Connect. Some Ascent and Summit level tier benefits will be recognized on flights operated by Midwest Airlines or Midwest Connect with the presentation of an EarlyReturns elite membership card. To print your membership card login to your profile.