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Route Reliability

Seattle → Santa Ana

SEA–SNA · 978 miles · Seattle–Tacoma International Airport to John Wayne Airport

89
Pretty Reliable
WanderNerd Reliability Score
85%
Arrive within 15 minutes
1 min early
Average arrival delay
1.0%
Cancelled
3,972
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Alaska Airlines86%2,627 flights
  2. 2.Delta Air Lines84%1,345 flights

What the data says

Morning flights do better here.

SEA–SNA flights departing between 6–9 AM arrived on time 90% of the time, versus 82% between 12–3 PM.

Tuesday comes out ahead.

A small edge: 88% on time on Tuesdays against 83% on Thursdays.

Not much between Alaska Airlines and Delta Air Lines.

On this route they all land within 84% to 86% on time. Pick on schedule and price.

Ticking up lately.

SEA–SNA flights arrived on time 90% of the time over the last three months in the data, compared with 86% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon84%(598 flights)
  • Tue88%(538 flights)
  • Wed87%(533 flights)
  • Thu83%(593 flights)
  • Fri86%(583 flights)
  • Sat85%(479 flights)
  • Sun86%(600 flights)
On-time by departure window
  • 6–9 AM90%(783 flights)
  • 9 AM–12 PM83%(825 flights)
  • 12–3 PM82%(506 flights)
  • 3–6 PM82%(898 flights)
  • 6–9 PM90%(912 flights)
On-time trend by month
93%
May

Jun 81% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%358
July 202581%369
August 202581%358
September 202589%328
October 202583%333
November 202585%327
December 202580%315
January 202689%308
February 202690%278
March 202684%298
April 202692%301
May 202693%351

Same trip, other airports

Keep nerding

Based on 3,972 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.