Question 1

Which airline is most on-time from Denver, CO to Salt Lake City, UT?

Accepted Answer

Delta Air Lines has the best on-time record on DEN → SLC at 83%, across 1,690 flights (median arrival delay -9 min).

Question 2

Which airlines fly DEN to SLC?

Accepted Answer

Delta Air Lines, Frontier Airlines, United Airlines, Southwest Airlines appear in the historical BTS data for DEN → SLC.

Airline	Flights	On-time	Median delay	Cancelled
Delta Air Lines	1,690	83%	-9 min	0%
Frontier Airlines	1,010	82%	-10 min	0%
United Airlines	2,729	79%	-5 min	1%
Southwest Airlines	2,329	72%	0 min	0%

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Which airline should you fly from DEN to SLC?