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Flight Reliability

AS 114 · Alaska Airlines

New York → San Francisco (JFK–SFO)100% of its flights flew this route. The rest (ANC–MSP) are included in these numbers.

68
Usually Fine
WanderNerd Reliability Score
75%
Arrive within 15 minutes
12 min
Average arrival delay
3.0%
Cancelled
5 min early
Median arrival delay

Based on 271 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

AS 114 departing between 12–3 PM arrived on time 91% of the time, versus 66% between 3–6 PM.

Sunday scaries are real for this one.

AS 114 arrived on time 81% of the time on Tuesdays. On Sundays: 68%.

A bit behind the Alaska Airlines network.

AS 114 arrived on time 75% of the time, versus 80% across the Alaska Airlines network.

Keep a backup plan handy.

AS 114 was cancelled 3.0% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon76%(41 flights)
  • Tue81%(36 flights)
  • Wed81%(36 flights)
  • Thu74%(39 flights)
  • Fri71%(42 flights)
  • Sat74%(31 flights)
  • Sun68%(37 flights)
On-time by departure window
  • 9 AM–12 PM78%(41 flights)
  • 12–3 PM91%(44 flights)
  • 3–6 PM66%(142 flights)
  • 6–9 PM88%(34 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
89%
Apr

Jun 47% → Apr 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202547%19
July 202550%30
August 202569%29
September 202597%30
November 202568%28
December 202565%26
January 202682%27
February 202690%19
March 202685%27
April 202689%18
Departures on time
83%
Diverted
0.4%
Flights flown
262
Months covered
11

Same route, other flights

Keep nerding

Based on 271 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.