Most delayed flights from SJC: every route ranked

22 regularly flown nonstop routes from Mineta San Jose 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	SJC → SAN San Diego, CA	71%	1.0%	15 min	4	4,986
2	SJC → AUS Austin, TX	75%	0.3%	13 min	1	1,121
3	SJC → LAS Las Vegas, NV	81%	0.5%	12 min	5	3,750
4	SJC → DEN Denver, CO	81%	0.4%	11 min	3	2,564
5	SJC → DFW Dallas/Fort Worth, TX	81%	2.1%	20 min	2	1,102
6	SJC → PHX Phoenix, AZ	81%	0.8%	12 min	4	3,019
7	SJC → ONT Ontario, CA	82%	0.2%	9 min	1	1,317
8	SJC → HNL Honolulu, HI	83%	0.0%	11 min	3	808
9	SJC → BOI Boise, ID	83%	0.3%	9 min	2	676
10	SJC → SEA Seattle, WA	83%	0.6%	10 min	5	4,381
11	SJC → MDW Chicago, IL	84%	0.2%	6 min	1	519
12	SJC → DAL Dallas, TX	84%	0.9%	9 min	1	427
13	SJC → BUR Burbank, CA	85%	1.2%	8 min	2	2,166
14	SJC → LGB Long Beach, CA	85%	0.2%	7 min	1	1,239
15	SJC → PDX Portland, OR	86%	0.0%	8 min	3	1,653
16	SJC → LAX Los Angeles, CA	86%	0.8%	8 min	6	4,476
17	SJC → SNA Santa Ana, CA	86%	0.8%	7 min	2	2,730
18	SJC → HOU Houston, TX	90%	0.3%	4 min	1	365
19	SJC → MSP Minneapolis, MN	91%	1.2%	8 min	1	510
20	SJC → SLC Salt Lake City, UT	92%	0.4%	7 min	3	1,801
21	SJC → OGG Kahului, HI	92%	0.2%	7 min	3	471
22	SJC → ATL Atlanta, GA	93%	1.4%	5 min	1	901

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.