Most delayed flights from STL: every route ranked

46 regularly flown nonstop routes from St. Louis Lambert 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	STL → SFO San Francisco, CA	60%	0.8%	30 min	3	761
2	STL → BOS Boston, MA	70%	1.7%	22 min	3	1,611
3	STL → ORD Chicago, IL	73%	3.6%	28 min	5	3,090
4	STL → LAX Los Angeles, CA	73%	0.3%	17 min	2	1,027
5	STL → DCA Washington, VA	73%	2.6%	21 min	5	2,416
6	STL → FLL Fort Lauderdale, FL	74%	0.5%	16 min	3	828
7	STL → PHX Phoenix, AZ	75%	0.5%	21 min	5	2,315
8	STL → LGA New York, NY	75%	3.6%	18 min	3	2,624
9	STL → DFW Dallas/Fort Worth, TX	75%	3.3%	29 min	5	2,381
10	STL → DEN Denver, CO	76%	0.3%	17 min	4	3,676
11	STL → MCI Kansas City, MO	76%	0.3%	14 min	1	1,020
12	STL → LAS Las Vegas, NV	76%	0.6%	17 min	2	2,094
13	STL → DAL Dallas, TX	76%	1.5%	16 min	1	1,952
14	STL → AUS Austin, TX	76%	0.4%	14 min	1	972
15	STL → SAN San Diego, CA	77%	0.2%	12 min	1	473
16	STL → OMA Omaha, NE	77%	0.1%	13 min	1	825
17	STL → MCO Orlando, FL	78%	0.9%	15 min	3	2,520
18	STL → JAX Jacksonville, FL	78%	0.2%	13 min	1	507
19	STL → HOU Houston, TX	78%	0.3%	13 min	1	1,539
20	STL → SEA Seattle, WA	79%	0.9%	11 min	2	884
21	STL → RSW Fort Myers, FL	79%	0.5%	12 min	1	1,007
22	STL → PIT Pittsburgh, PA	79%	0.0%	13 min	1	500
23	STL → MDW Chicago, IL	80%	1.2%	12 min	1	1,704
24	STL → TPA Tampa, FL	80%	0.6%	13 min	2	1,228
25	STL → PHL Philadelphia, PA	80%	1.4%	18 min	4	1,602
26	STL → BWI Baltimore, MD	80%	1.3%	12 min	1	1,279
27	STL → MSP Minneapolis, MN	80%	0.9%	16 min	3	1,936
28	STL → IAH Houston, TX	81%	1.2%	13 min	2	423
29	STL → SAT San Antonio, TX	81%	0.2%	10 min	1	548
30	STL → RDU Raleigh/Durham, NC	81%	0.2%	12 min	1	655
31	STL → EWR Newark, NJ	81%	4.7%	18 min	2	1,075
32	STL → ICT Wichita, KS	81%	1.0%	12 min	1	403
33	STL → DTW Detroit, MI	81%	1.2%	16 min	4	1,894
34	STL → CMH Columbus, OH	82%	0.3%	11 min	1	675
35	STL → DSM Des Moines, IA	82%	0.5%	9 min	1	403
36	STL → MIA Miami, FL	82%	0.7%	12 min	4	1,170
37	STL → TUL Tulsa, OK	82%	1.0%	11 min	1	403
38	STL → CLE Cleveland, OH	82%	0.3%	11 min	1	698
39	STL → OKC Oklahoma City, OK	82%	1.2%	9 min	2	412
40	STL → MKE Milwaukee, WI	82%	0.7%	12 min	1	685
41	STL → BNA Nashville, TN	82%	0.6%	10 min	1	1,287
42	STL → MSY New Orleans, LA	84%	0.1%	10 min	1	733
43	STL → CLT Charlotte, NC	84%	1.4%	17 min	3	1,835
44	STL → ATL Atlanta, GA	85%	1.7%	12 min	3	3,684
45	STL → LIT Little Rock, AR	85%	1.2%	10 min	1	403
46	STL → SLC Salt Lake City, UT	87%	0.9%	14 min	3	990

Less frequent routes

Too few flights for a reliable ranking.

STL → SRQ (Sarasota/Bradenton) 349 flts
STL → SMF (Sacramento) 331 flts
STL → ECP (Panama City) 315 flts
STL → PNS (Pensacola) 216 flts
STL → BUR (Burbank) 192 flts
STL → CHS (Charleston) 160 flts
STL → VPS (Valparaiso) 138 flts
STL → PDX (Portland) 114 flts
STL → SAV (Savannah) 91 flts
STL → MYR (Myrtle Beach) 87 flts
STL → LGB (Long Beach) 84 flts
STL → PBI (West Palm Beach/Palm Beach) 38 flts
STL → SJU (San Juan) 31 flts
STL → ORF (Norfolk) 17 flts
STL → IND (Indianapolis) 4 flts
STL → SJC (San Jose) 1 flts
STL → JFK (New York) 1 flts
STL → IAD (Washington) 1 flts
STL → MGM (Montgomery) 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.