Question 1

Which airline is most on-time from Seattle, WA to Ontario, CA?

Accepted Answer

Delta Air Lines has the best on-time record on SEA → ONT at 90%, across 1,113 flights (median arrival delay -9 min).

Question 2

Which airlines fly SEA to ONT?

Accepted Answer

Delta Air Lines, Frontier Airlines, Alaska Airlines appear in the historical BTS data for SEA → ONT.

Airline	Flights	On-time	Median delay	Cancelled
Delta Air Lines	1,113	90%	-9 min	0%
Frontier Airlines	169	78%	-5 min	1%
Alaska Airlines	1,268	78%	-3 min	2%

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Which airline should you fly from SEA to ONT?