Most delayed flights from JAX: every route ranked

20 regularly flown nonstop routes from Jacksonville 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	JAX → DCA Washington, VA	72%	2.3%	26 min	3	1,464
2	JAX → BOS Boston, MA	75%	2.3%	21 min	3	1,613
3	JAX → JFK New York, NY	75%	4.6%	23 min	3	1,188
4	JAX → AUS Austin, TX	77%	1.2%	23 min	2	650
5	JAX → DFW Dallas/Fort Worth, TX	78%	2.8%	21 min	2	1,833
6	JAX → ORD Chicago, IL	78%	2.0%	21 min	6	2,116
7	JAX → EWR Newark, NJ	79%	2.5%	23 min	2	1,377
8	JAX → PHL Philadelphia, PA	79%	3.0%	21 min	4	1,564
9	JAX → MDW Chicago, IL	80%	1.4%	12 min	1	416
10	JAX → BWI Baltimore, MD	81%	1.1%	12 min	1	1,385
11	JAX → MIA Miami, FL	81%	0.7%	14 min	3	1,492
12	JAX → CLT Charlotte, NC	81%	1.1%	16 min	2	1,939
13	JAX → BNA Nashville, TN	81%	0.8%	11 min	2	1,112
14	JAX → DEN Denver, CO	82%	0.3%	13 min	2	1,020
15	JAX → LGA New York, NY	83%	4.1%	18 min	2	628
16	JAX → ATL Atlanta, GA	85%	1.7%	13 min	2	4,046
17	JAX → DTW Detroit, MI	87%	2.4%	11 min	1	637
18	JAX → IAH Houston, TX	88%	0.4%	12 min	2	693
19	JAX → STL St. Louis, MO	88%	0.6%	8 min	1	507
20	JAX → IAD Washington, VA	89%	0.9%	9 min	3	777

Less frequent routes

Too few flights for a reliable ranking.

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.