Most delayed flights from SJU: every route ranked

18 regularly flown nonstop routes from Luis Munoz Marin 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	SJU → BDL Hartford, CT	70%	2.3%	23 min	2	966
2	SJU → PHL Philadelphia, PA	71%	3.4%	25 min	4	1,934
3	SJU → BOS Boston, MA	71%	3.1%	22 min	4	1,961
4	SJU → DCA Washington, VA	71%	1.9%	28 min	1	364
5	SJU → FLL Fort Lauderdale, FL	75%	1.5%	20 min	4	2,336
6	SJU → EWR Newark, NJ	75%	3.1%	23 min	4	2,084
7	SJU → TPA Tampa, FL	76%	1.7%	18 min	4	1,519
8	SJU → MCO Orlando, FL	78%	1.1%	18 min	4	6,073
9	SJU → MIA Miami, FL	78%	1.0%	21 min	3	2,643
10	SJU → JFK New York, NY	78%	3.2%	18 min	3	3,596
11	SJU → ORD Chicago, IL	79%	2.4%	17 min	4	1,394
12	SJU → DFW Dallas/Fort Worth, TX	79%	2.8%	18 min	3	987
13	SJU → BWI Baltimore, MD	79%	2.5%	14 min	3	1,162
14	SJU → ATL Atlanta, GA	81%	1.4%	16 min	3	2,095
15	SJU → RDU Raleigh/Durham, NC	82%	1.7%	15 min	3	467
16	SJU → CLT Charlotte, NC	85%	1.7%	16 min	2	1,081
17	SJU → IAD Washington, VA	87%	0.7%	10 min	2	706
18	SJU → IAH Houston, TX	88%	0.5%	8 min	2	930

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.