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Route Reliability

Santa Ana → Oakland

SNA–OAK · 371 miles · John Wayne Airport to Oakland International Airport

90
Nerd Approved
WanderNerd Reliability Score
86%
Arrive within 15 minutes
1 min early
Average arrival delay
0.9%
Cancelled
2,385
Flights in the data

Data through May 2026.

Airlines on this route

  • Southwest Airlines86% on time · 2,311 flights
  • Spirit Airlines81% on time · 74 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.

SNA–OAK flights departing between 6–9 AM arrived on time 98% of the time, versus 77% between 6–9 PM.

Thursday is the weak spot.

SNA–OAK flights arrived on time 90% of the time on Wednesdays. On Thursdays: 81%.

Flights on this route

The breakdown

On-time by weekday
  • Mon86%(398 flights)
  • Tue89%(286 flights)
  • Wed90%(280 flights)
  • Thu81%(394 flights)
  • Fri85%(398 flights)
  • Sat88%(219 flights)
  • Sun84%(388 flights)
On-time by departure window
  • 6–9 AM98%(466 flights)
  • 9 AM–12 PM90%(443 flights)
  • 12–3 PM82%(479 flights)
  • 3–6 PM82%(412 flights)
  • 6–9 PM77%(530 flights)
  • 9 PM–12 AM85%(33 flights)
On-time trend by month
86%
May

Jun 79% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%232
July 202579%215
August 202586%204
September 202591%192
October 202584%197
November 202586%194
December 202584%195
January 202692%164
February 202688%172
March 202690%204
April 202686%193
May 202686%201

Same trip, other airports

Keep nerding

Based on 2,385 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.