Most delayed flights from SGU: every route ranked

4 regularly flown nonstop routes from St George Regional Airport, worst on-time record first (Aug 2025 – Jul 2026). Routes with fewer than 360 flights in the period are listed separately.

#	Destination	On time	Cancelled	Avg delay	Airlines	Flights
1	SGU → DEN Denver, CO	80%	0.0%	21 min	1	1,075
2	SGU → DFW Dallas/Fort Worth, TX	80%	0.4%	20 min	1	704
3	SGU → PHX Phoenix, AZ	83%	0.1%	15 min	1	891
4	SGU → SLC Salt Lake City, UT	94%	0.2%	5 min	1	1,719

Less frequent routes

Too few flights for a reliable ranking.

SGU → LAX (Los Angeles) 310 flts
SGU → ORD (Chicago) 10 flts

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.