Most delayed flights from DSM: every route ranked

9 regularly flown nonstop routes from Des Moines International 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	DSM → DFW Dallas/Fort Worth, TX	73%	3.8%	28 min	4	1,438
2	DSM → ORD Chicago, IL	74%	4.1%	26 min	6	3,411
3	DSM → DCA Washington, VA	78%	5.3%	23 min	3	702
4	DSM → PHX Phoenix, AZ	80%	1.5%	25 min	5	1,064
5	DSM → LAS Las Vegas, NV	81%	0.2%	19 min	2	595
6	DSM → CLT Charlotte, NC	83%	3.0%	22 min	2	809
7	DSM → DEN Denver, CO	83%	0.6%	15 min	4	2,330
8	DSM → STL St. Louis, MO	89%	0.7%	8 min	1	403
9	DSM → ATL Atlanta, GA	89%	2.4%	11 min	1	1,252

Less frequent routes

Too few flights for a reliable ranking.

DSM → PHL (Philadelphia) 350 flts
DSM → IAH (Houston) 346 flts
DSM → LAX (Los Angeles) 303 flts
DSM → MDW (Chicago) 290 flts
DSM → LGA (New York) 261 flts
DSM → SFB (Sanford) 205 flts
DSM → PGD (Punta Gorda) 188 flts
DSM → PIE (St. Petersburg) 186 flts
DSM → AZA (Phoenix) 180 flts
DSM → MIA (Miami) 179 flts
DSM → BNA (Nashville) 165 flts
DSM → SNA (Santa Ana) 111 flts
DSM → AUS (Austin) 105 flts
DSM → FLL (Fort Lauderdale) 96 flts
DSM → GUF (Gulf Shores) 87 flts
DSM → BOS (Boston) 81 flts
DSM → SRQ (Sarasota/Bradenton) 70 flts
DSM → EWR (Newark) 70 flts
DSM → PDX (Portland) 56 flts
DSM → JAX (Jacksonville) 53 flts
DSM → RSW (Fort Myers) 52 flts
DSM → MSP (Minneapolis) 37 flts
DSM → VPS (Valparaiso) 26 flts
DSM → BUR (Burbank) 21 flts
DSM → MCO (Orlando) 20 flts
DSM → HOU (Houston) 20 flts
DSM → DTW (Detroit) 16 flts
DSM → SAN (San Diego) 6 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.