FlightRecord

Stockton Metropolitan Airport (SCK): Delays & On-Time Performance

Data through July 2026

Build in buffer at Stockton Metropolitan Airport (SCK): only 66% of departures leave on time, 12 points below the US average, and the mean departure delay is 36 minutes. It remains a major gateway for Stockton, CA, with 1 carriers serving 3 nonstop destinations.

Departures on-time
66%
left <15 min late
Avg dep delay
36 min
Arrivals on-time
79%
Cancelled
0.8%
Destinations
3
nonstop
Airlines
1

Plan your departure from SCK

The choices most likely to improve your odds, based on this airport’s historical record.

Best departure time
Around 8 a.m.
74% on-time
Best day to fly
Saturday
79% on-time
Nearest alternative
SJC — San Jose
53 miles away
Cancellation risk
0.8%
below the US average

Monthly on-time trend

Monthly departure on-time percentage at SCK50%75%100%August 2024: 65% on-time (40 flights)65Aug 2024September 2024: 59% on-time (39 flights)59October 2024: 64% on-time (45 flights)64November 2024: 58% on-time (41 flights)58Nov 2024December 2024: 45% on-time (53 flights)45January 2025: 71% on-time (42 flights)71February 2025: 74% on-time (32 flights)74Feb 2025March 2025: 78% on-time (36 flights)78April 2025: 69% on-time (32 flights)69May 2025: 81% on-time (47 flights)81May 2025June 2025: 57% on-time (59 flights)57July 2025: 68% on-time (60 flights)68August 2025: 74% on-time (50 flights)74Aug 2025September 2025: 52% on-time (42 flights)52October 2025: 59% on-time (54 flights)59November 2025: 60% on-time (48 flights)60Nov 2025December 2025: 73% on-time (62 flights)73January 2026: 67% on-time (43 flights)67February 2026: 77% on-time (34 flights)77Feb 2026March 2026: 83% on-time (36 flights)83April 2026: 64% on-time (33 flights)64May 2026: 54% on-time (39 flights)54May 2026June 2026: 73% on-time (40 flights)73July 2026: 78% on-time (45 flights)78

Best time of day to depart from SCK

On-time percentage by scheduled departure hour at SCK8 a.m.: 74% on-time (105 flights)84 p.m.: 69% on-time (221 flights)169 p.m.: 58% on-time (147 flights)2110 p.m.: 68% on-time (177 flights)22scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday66%29 min
Tuesday77%19 min
Wednesday66%23 min
Thursday63%40 min
Friday65%51 min
Saturdaybest79%20 min
Sunday65%30 min

Next: compare the busiest routes from SCK ↓

Busiest routes from SCK

RouteFlights/12moOn-timeAvg delay
SCK → LAS (Las Vegas)39867%37 min
SCK → PHX (Phoenix)11968%29 min

Where flights into SCK come from

RouteFlights/12moOn-timeAvg delay
LAS (Las Vegas) → SCK39883%13 min
PHX (Phoenix) → SCK11971%45 min

What causes delays at SCK

Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing SCK.

  • Late-arriving aircraft42%
  • Airline operations31%
  • National airspace system10%
  • Weather17%
  • Security1%

Alternative airports near Stockton

Other airports within 120 miles, compared on departure reliability.

Compare the airport-level record first, then check the exact route you plan to book.

Frequently asked questions

How often are flights delayed at SCK?
34% of departures from Stockton Metropolitan Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 36 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from SCK?
Flights scheduled around 8 a.m. depart on time 74% of the time at SCK, versus 58% around 9 p.m.. Booking before noon is the usual rule of thumb here.
How often are flights cancelled at SCK?
0.8% of scheduled departures from SCK were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Related guides

Based on 1,101 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.