FlightRecord

Norman Y. Mineta San Jose International Airport (SJC): Delays & On-Time Performance

Data through May 2026

Norman Y. Mineta San Jose International Airport (SJC) runs noticeably smoother than most US airports: 84% of its ~120 daily departures leave on time, 6 points above the national average, with an average departure delay of just 10 minutes. 11 airlines fly from San Jose, CA to 45 destinations.

Departures on-time
84%
left <15 min late
Avg dep delay
10 min
Arrivals on-time
82%
Cancelled
0.6%
Destinations
45
nonstop
Airlines
11

Monthly on-time trend

Monthly departure on-time percentage at SJC50%75%100%June 2024: 80% on-time (4,382 flights)80Jun 2024July 2024: 81% on-time (4,516 flights)81August 2024: 86% on-time (4,614 flights)86September 2024: 86% on-time (4,457 flights)86Sep 2024October 2024: 85% on-time (4,590 flights)85November 2024: 87% on-time (4,235 flights)87December 2024: 82% on-time (4,154 flights)82Dec 2024January 2025: 90% on-time (3,697 flights)90February 2025: 87% on-time (3,465 flights)87March 2025: 87% on-time (3,917 flights)87Mar 2025April 2025: 85% on-time (3,823 flights)85May 2025: 84% on-time (4,035 flights)84June 2025: 79% on-time (4,037 flights)79Jun 2025July 2025: 79% on-time (4,120 flights)79August 2025: 83% on-time (3,885 flights)83September 2025: 85% on-time (3,777 flights)85Sep 2025October 2025: 81% on-time (3,865 flights)81November 2025: 83% on-time (3,659 flights)83December 2025: 80% on-time (3,622 flights)80Dec 2025January 2026: 88% on-time (3,099 flights)88February 2026: 86% on-time (3,088 flights)86March 2026: 85% on-time (3,438 flights)85Mar 2026April 2026: 82% on-time (3,423 flights)82May 2026: 81% on-time (3,686 flights)81

Best time of day to depart from SJC

On-time percentage by scheduled departure hour at SJC5 a.m.: 94% on-time (501 flights)56 a.m.: 95% on-time (10,528 flights)67 a.m.: 94% on-time (7,814 flights)78 a.m.: 93% on-time (6,684 flights)89 a.m.: 91% on-time (5,843 flights)910 a.m.: 87% on-time (5,943 flights)1011 a.m.: 84% on-time (6,145 flights)1112 p.m.: 84% on-time (5,829 flights)121 p.m.: 80% on-time (5,677 flights)132 p.m.: 76% on-time (5,774 flights)143 p.m.: 75% on-time (5,265 flights)154 p.m.: 76% on-time (4,393 flights)165 p.m.: 78% on-time (5,611 flights)176 p.m.: 76% on-time (5,600 flights)187 p.m.: 75% on-time (5,068 flights)198 p.m.: 72% on-time (4,087 flights)209 p.m.: 66% on-time (1,913 flights)2110 p.m.: 88% on-time (703 flights)2211 p.m.: 74% on-time (206 flights)23scheduled departure hour

Busiest routes from SJC

RouteFlights/12moOn-timeAvg delay
SJCSAN4,99075%14 min
SJCLAX4,40587%8 min
SJCSEA4,37984%10 min
SJCLAS3,94181%12 min
SJCPHX3,03985%10 min
SJCSNA2,67988%6 min
SJCDEN2,59483%11 min
SJCBUR2,22684%9 min

Most reliable routes

  1. SJCRNO94%
  2. SJCATL92%
  3. SJCORD92%
  4. SJCOGG92%
  5. SJCSLC92%

Most delay-prone routes

  1. SJCSAN75%
  2. SJCIAH78%
  3. SJCDFW79%
  4. SJCAUS80%
  5. SJCBWI81%

Airline performance at SJC

AirlineOn-time departuresAvg delayFlights
Hawaiian Airlines93%7 min1,146
Delta Air Lines91%9 min4,978
SkyWest Airlines90%8 min15,493
United Airlines88%10 min3,526
Envoy Air88%7 min490
Alaska Airlines88%8 min5,499
American Airlines82%19 min3,165
Southwest Airlines81%11 min54,700
Spirit Airlines80%14 min3,235
Frontier Airlines79%16 min1,257

Frequently asked questions

How often are flights delayed at SJC?
16% of departures from Norman Y. Mineta San Jose International Airport left 15+ minutes late between 2024-06 and 2026-05, with an average departure delay of 10 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from SJC?
Flights scheduled around 6 a.m. depart on time 95% of the time at SJC, versus 66% around 9 p.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at SJC?
In this dataset, June 2025 was the weakest month at SJC, with 79% of departures on time.
How often are flights cancelled at SJC?
0.6% of scheduled departures from SJC were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Based on 93,584 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.