FlightRecord

Oakland San Francisco Bay Airport (OAK): Delays & On-Time Performance

Data through May 2026

Oakland San Francisco Bay Airport (OAK) in Oakland, CA is a middle-of-the-pack performer: 80% of departures are on time, within a few points of the national 78%. It hosts 7 airlines flying 88 departures a day to 40 destinations, with cancellations at 0.6%.

Departures on-time
80%
left <15 min late
Avg dep delay
12 min
Arrivals on-time
82%
Cancelled
0.6%
Destinations
40
nonstop
Airlines
7

Monthly on-time trend

Monthly departure on-time percentage at OAK50%75%100%June 2024: 75% on-time (3,621 flights)75Jun 2024July 2024: 76% on-time (3,726 flights)76August 2024: 81% on-time (3,555 flights)81September 2024: 83% on-time (3,393 flights)83Sep 2024October 2024: 84% on-time (3,382 flights)84November 2024: 87% on-time (3,156 flights)87December 2024: 78% on-time (3,179 flights)78Dec 2024January 2025: 87% on-time (2,868 flights)87February 2025: 84% on-time (2,671 flights)84March 2025: 85% on-time (3,094 flights)85Mar 2025April 2025: 83% on-time (3,050 flights)83May 2025: 83% on-time (3,216 flights)83June 2025: 76% on-time (3,047 flights)76Jun 2025July 2025: 75% on-time (3,046 flights)75August 2025: 79% on-time (2,850 flights)79September 2025: 79% on-time (2,714 flights)79Sep 2025October 2025: 76% on-time (2,771 flights)76November 2025: 79% on-time (2,618 flights)79December 2025: 73% on-time (2,646 flights)73Dec 2025January 2026: 87% on-time (2,408 flights)87February 2026: 80% on-time (2,356 flights)80March 2026: 77% on-time (2,569 flights)77Mar 2026April 2026: 73% on-time (2,509 flights)73May 2026: 74% on-time (2,683 flights)74

Best time of day to depart from OAK

On-time percentage by scheduled departure hour at OAK5 a.m.: 95% on-time (3,771 flights)56 a.m.: 95% on-time (6,095 flights)67 a.m.: 93% on-time (4,555 flights)78 a.m.: 89% on-time (4,976 flights)89 a.m.: 89% on-time (5,424 flights)910 a.m.: 85% on-time (3,611 flights)1011 a.m.: 81% on-time (3,731 flights)1112 p.m.: 80% on-time (4,871 flights)121 p.m.: 78% on-time (4,491 flights)132 p.m.: 72% on-time (3,987 flights)143 p.m.: 69% on-time (3,189 flights)154 p.m.: 70% on-time (3,146 flights)165 p.m.: 68% on-time (4,093 flights)176 p.m.: 72% on-time (4,821 flights)187 p.m.: 71% on-time (3,981 flights)198 p.m.: 66% on-time (4,713 flights)209 p.m.: 56% on-time (1,244 flights)2110 p.m.: 62% on-time (335 flights)22scheduled departure hour

Busiest routes from OAK

RouteFlights/12moOn-timeAvg delay
OAKLAS3,41281%12 min
OAKSAN3,19574%15 min
OAKBUR2,81384%9 min
OAKSNA2,38787%7 min
OAKLAX2,12284%9 min
OAKPHX1,95381%11 min
OAKSEA1,93479%11 min
OAKSLC1,69689%7 min

Most reliable routes

  1. OAKSBA90%
  2. OAKSLC89%
  3. OAKOGG89%
  4. OAKLGB88%
  5. OAKMCI88%

Most delay-prone routes

  1. OAKSAN74%
  2. OAKEUG77%
  3. OAKDEN78%
  4. OAKABQ78%
  5. OAKDAL79%

Airline performance at OAK

AirlineOn-time departuresAvg delayFlights
Hawaiian Airlines92%12 min1,662
SkyWest Airlines91%6 min2,182
Delta Air Lines89%11 min511
Alaska Airlines86%8 min1,723
Allegiant Air85%26 min398
Spirit Airlines84%12 min3,022
Southwest Airlines79%12 min61,630

Frequently asked questions

How often are flights delayed at OAK?
20% of departures from Oakland San Francisco Bay Airport left 15+ minutes late between 2024-06 and 2026-05, with an average departure delay of 12 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from OAK?
Flights scheduled around 5 a.m. depart on time 95% of the time at OAK, versus 56% around 9 p.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at OAK?
In this dataset, April 2026 was the weakest month at OAK, with 73% of departures on time.
How often are flights cancelled at OAK?
0.6% of scheduled departures from OAK were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Based on 71,128 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.