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Route Reliability

Seattle → YKM

SEA–YKM · 103 miles · Seattle–Tacoma International Airport to YKM Airport

90
Nerd Approved
WanderNerd Reliability Score
88%
Arrive within 15 minutes
0 min
Average arrival delay
1.5%
Cancelled
727
Flights in the data

Data through May 2026.

Alaska Airlines is the only airline in this data on this route, arriving on time 88% of the time across 727 flights. No comparison to make.

What the data says

The late departure is the smart one here.

SEA–YKM flights departing between 9 PM–12 AM arrived on time 93% of the time, versus 83% between 12–3 PM.

Friday is doing you no favors.

SEA–YKM flights arrived on time 92% of the time on Mondays. On Fridays: 83%.

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
  • Mon92%(104 flights)
  • Tue87%(104 flights)
  • Wed91%(101 flights)
  • Thu87%(99 flights)
  • Fri83%(100 flights)
  • Sat89%(103 flights)
  • Sun89%(105 flights)
On-time by departure window
  • 12–3 PM83%(299 flights)
  • 3–6 PM90%(61 flights)
  • 9 PM–12 AM93%(356 flights)
On-time trend by month
82%
May

Jun 67% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%60
July 202582%62
August 202590%62
September 202595%60
October 202593%60
November 202593%58
December 202590%60
January 202688%56
February 202691%55
March 202689%61
April 2026100%60
May 202682%62

Keep nerding

Based on 727 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.