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WanderNerd

Route Reliability

Oakland → Santa Ana

OAKSNA · 371 miles · Oakland International Airport to John Wayne Airport

92
Nerd Approved
WanderNerd Reliability Score
87%
Arrive within 15 minutes
1 min early
Average arrival delay
0.6%
Cancelled
2,387
Flights in the data

Data through May 2026.

Airlines on this route

  • Southwest Airlines87% on time · 2,310 flights
  • Spirit Airlines81% on time · 74 flights
  • Alaska Airlines100% on time · 3 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

Morning flights do better here.

OAK–SNA flights departing between 6–9 AM arrived on time 95% of the time, versus 78% between 3–6 PM.

Thursday is the weak spot.

OAK–SNA flights arrived on time 92% of the time on Saturdays. On Thursdays: 84%.

Flights on this route

The breakdown

On-time by weekday
  • Mon87%(401 flights)
  • Tue88%(285 flights)
  • Wed89%(281 flights)
  • Thu84%(397 flights)
  • Fri85%(402 flights)
  • Sat92%(218 flights)
  • Sun84%(387 flights)
On-time by departure window
  • 6–9 AM95%(533 flights)
  • 9 AM–12 PM90%(421 flights)
  • 12–3 PM86%(424 flights)
  • 3–6 PM78%(435 flights)
  • 6–9 PM83%(558 flights)
On-time trend by month
92%
May

Jun 86% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%235
July 202583%217
August 202586%206
September 202583%190
October 202585%197
November 202588%194
December 202583%197
January 202691%165
February 202689%172
March 202690%204
April 202686%195
May 202692%199

Based on 2,387 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.