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Flight Reliability

AS 342 · Alaska Airlines

Portland → Boise (PDX–BOI)84% of its flights flew this route. The rest (BET–ANC, SAN–OGG) are included in these numbers.

94
Nerd Approved
WanderNerd Reliability Score
86%
Arrive within 15 minutes
1 min
Average arrival delay
0%
Cancelled
5 min early
Median arrival delay

Based on 178 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

AS 342 departing between 9 AM–12 PM arrived on time 94% of the time, versus 69% between 6–9 PM.

Wednesday is the weak spot.

AS 342 arrived on time 92% of the time on Fridays. On Wednesdays: 80%.

A bit behind the PDX–BOI route.

AS 342 arrived on time 86% of the time, versus 89% across the PDX–BOI route.

A bit ahead of the Alaska Airlines network.

AS 342 arrived on time 86% of the time, versus 80% across the Alaska Airlines network.

The breakdown

On-time by weekday
  • Mon89%(26 flights)
  • Tue85%(20 flights)
  • Wed80%(30 flights)
  • Thu89%(28 flights)
  • Fri92%(26 flights)
  • Sat86%(21 flights)
  • Sun82%(27 flights)
On-time by departure window
  • 9 AM–12 PM94%(46 flights)
  • 12–3 PM85%(115 flights)
  • 6–9 PM69%(13 flights)
  • 9 PM–12 AM—(4 flights)
On-time trend by month
81%
May

Jun 73% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%11
October 202591%11
November 202581%21
December 202589%28
January 202697%30
February 202688%24
March 202681%16
May 202681%26
Departures on time
82%
Diverted
0%
Flights flown
178
Months covered
11

Same route, other flights

Keep nerding

Based on 178 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.