Most delayed flights from SUN: every route ranked

2 regularly flown nonstop routes from Friedman Memorial 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	SUN → DEN Denver, CO	85%	0.0%	18 min	1	630
2	SUN → SLC Salt Lake City, UT	94%	0.7%	7 min	1	1,078

Less frequent routes

Too few flights for a reliable ranking.

SUN → LAX (Los Angeles) 328 flts
SUN → SFO (San Francisco) 293 flts
SUN → ORD (Chicago) 281 flts
SUN → PHX (Phoenix) 97 flts
SUN → SEA (Seattle) 38 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.