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This Summer Will See 25 Transatlantic Boeing 737 Routes

by Staff


  • Air Canada, Air Saint-Pierre, Icelandair, United Airlines, and WestJet have Boeing 737 flights between North America and Europe this summer.
  • They have 25 routes with an average of 22 daily departures.
  • WestJet last used the 737 across the North Atlantic in 2022, and its return plays a massive role in the record number of services.

One in every 26 flights from the US and Canada to Europe will be on a 737 this summer, nearly all of which will be operated by the MAX. This finding is based on examining OAG data for all flights between June and September.

Transatlantic 737 services: a summary

As the figures below show, there have never been so many 737-operated flights across the North Atlantic as planned between June and September.

There will be an average of 22 daily departures (double for both ways) against 55 for Airbus A320s/A321s and 578 daily for all equipment combined. As this is an average, some days will have more services and others fewer. (I deliberately excluded 2020/2021 as there were few flights.)

Source: OAG. Figure: James Pearson

The high figure in 2018 was driven by Norwegian, which had flights to Providence and Stewart that year. The significant drop in 2019 was mainly due to the grounding of the Boeing 737 MAX.

While the record number goes hand-in-hand with the general rise in single-aisles and Icelandair’s increase in 737 MAX flights, WestJet has played a vital role.

Canada’s second-largest operator first used the narrowbody type to Europe in June 2014, when the 737-700 (shown below) flew between St John’s and Dublin. It was WestJet’s first transatlantic service. However, its 737 stopped being used to Europe in 2019, only to return in 2022. Now, WestJet has scheduled the highest number of flights yet.

WestJet Boeing 737

Photo: Joe Kunzler | Simple Flying

737 operators and routes: Summer 2024

Frequencies, start dates, and more are not stated to make the big table easier to read. The exception is for new routes, while broad details are provided for those returning. Unless otherwise indicated, all aircraft are MAXs.

Icelandair also uses the 757/767 alongside the 737 on multiple routes. For example, the 737 MAX 9 will operate just seven of the 122 departures to Minneapolis this June-September.

Icelandair Boeing 737 MAX tails

Photo: Icelandair

While Saint-Pierre is located off the coast of Newfoundland in Canada, it is a part of France. For convenience, I include it here, not least as its summer-only, weekly, daytime transatlantic operation to Paris CDG is highly intriguing.


Routing (737 flights between June and September)

Air Canada

Halifax to London Heathrow, Toronto to Keflavik, Montreal to Keflavik

Air Saint-Pierre

Saint-Pierre to Paris CDG (737-700 wet-leased from ASL)


Keflavik to New York JFK, Boston, Washington Dulles, Chicago O’Hare, Toronto, Baltimore, Raleigh Durham, Detroit, Pittsburgh (NEW; begins on May 16th, four weekly), Vancouver, Halifax (last served in 2018), Orlando International, Minneapolis


Newark to Ponta Delgada


Toronto to Dublin (only served in 2022), Toronto to Edinburgh (only served in 2022), Halifax to London Gatwick (last served in 2022), Calgary to Keflavik (NEW; begins May 15th,four weekly), Halifax to Dublin (last served in 2022), St John’s to London Gatwick (last served in 2017), Halifax to Edinburgh (NEW; starts June 20th, three weekly; it flew to Glasgow for years, most recently in 2022)

I’ve flown the Airbus A321LR and Boeing 757 across the North Atlantic, but not the 737. Have you? If so, share your experiences in the comment section.

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