PARIS — What do commercial airlines want from satellite capacity and in-flight-connectivity service providers? Help in understanding passenger usage for one, and maybe a way to charge only for capacity that’s used.

Good luck with that last one. Delta, Etihad and Norwegian Air Shuttle officials all said their in-flight-connectivity services had improved in the past couple of years but they also want help from service providers even as they move to airline-directed models.

Amanda Fish, manager of fleet initiatives at Delta Airlines; Quentin Couturier . . .

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