Question 1

Which airline is most on-time from St. Louis, MO to Seattle, WA?

Accepted Answer

Alaska Airlines has the best on-time record on STL → SEA at 82%, across 781 flights (median arrival delay -5 min).

Question 2

Which airlines fly STL to SEA?

Accepted Answer

Alaska Airlines, Southwest Airlines appear in the historical BTS data for STL → SEA.

Airline	Flights	On-time	Median delay	Cancelled
Alaska Airlines	781	82%	-5 min	1%
Southwest Airlines	103	54%	+11 min	0%

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Which airline should you fly from STL to SEA?