Most delayed flights from IDA: every route ranked

4 regularly flown nonstop routes from Idaho Falls 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	IDA → DFW Dallas/Fort Worth, TX	74%	1.7%	28 min	1	529
2	IDA → DEN Denver, CO	81%	0.5%	18 min	3	1,699
3	IDA → SEA Seattle, WA	84%	0.3%	8 min	1	366
4	IDA → SLC Salt Lake City, UT	92%	0.4%	9 min	2	1,193

Less frequent routes

Too few flights for a reliable ranking.

IDA → AZA (Phoenix) 219 flts
IDA → PHX (Phoenix) 200 flts
IDA → ORD (Chicago) 169 flts
IDA → PDX (Portland) 119 flts
IDA → LAS (Las Vegas) 114 flts
IDA → SNA (Santa Ana) 105 flts
IDA → OAK (Oakland) 10 flts
IDA → COD (Cody) 1 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.