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Flight Reliability

AS 346 · Alaska Airlines

Seattle → Orlando (SEA–MCO)82% of its flights flew this route. The rest (PHX–ANC, PDX–OGG) are included in these numbers.

87
Pretty Reliable
WanderNerd Reliability Score
89%
Arrive within 15 minutes
7 min early
Average arrival delay
0.4%
Cancelled
13 min early
Median arrival delay

Based on 233 historical flights. Data through May 2026.

What the data says

Mondays have been rough.

AS 346 arrived on time 97% of the time on Wednesdays and just 76% on Mondays. That gap is worth planning around.

Better than the SEA–MCO route average.

AS 346 arrived on time 89% of the time, versus 81% across the SEA–MCO route.

Better than the Alaska Airlines network average.

AS 346 arrived on time 89% of the time, versus 80% across the Alaska Airlines network.

Slipping a little lately.

AS 346 arrived on time 87% of the time over the last three months in the data, compared with 92% in the three months before that.

The breakdown

On-time by weekday
  • Mon76%(33 flights)
  • Tue96%(27 flights)
  • Wed97%(34 flights)
  • Thu82%(33 flights)
  • Fri85%(34 flights)
  • Sat94%(31 flights)
  • Sun91%(35 flights)
On-time by departure window
  • 3–6 PM88%(196 flights)
  • 6–9 PM90%(31 flights)
On-time trend by month
91%
May

Jun 91% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%11
August 202591%11
September 202580%25
October 202585%27
November 202592%25
December 202587%30
January 202697%30
February 202689%27
March 202680%10
May 202691%22
Departures on time
82%
Diverted
2.1%
Flights flown
227
Months covered
11

Same route, other flights

Keep nerding

Based on 233 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.