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Flight Reliability

AS 776 · Alaska Airlines

San Francisco → Las Vegas (SFO–LAS)

69
Usually Fine
WanderNerd Reliability Score
66%
Arrive within 15 minutes
16 min
Average arrival delay
0.4%
Cancelled
3 min
Median arrival delay

Based on 274 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

AS 776 departing between 9 PM–12 AM arrived on time 82% of the time, versus 46% between 9 AM–12 PM.

Tuesdays have been rough.

AS 776 arrived on time 69% of the time on Saturdays and just 47% on Tuesdays. That gap is worth planning around.

Lagging the SFO–LAS route.

AS 776 arrived on time 66% of the time, versus 76% across the SFO–LAS route.

Lagging the Alaska Airlines network.

AS 776 arrived on time 66% of the time, versus 80% across the Alaska Airlines network.

The breakdown

On-time by weekday
  • Mon67%(48 flights)
  • Tue47%(19 flights)
  • Wed67%(27 flights)
  • Thu63%(49 flights)
  • Fri68%(50 flights)
  • Sat69%(29 flights)
  • Sun69%(51 flights)
On-time by departure window
  • 9 AM–12 PM46%(56 flights)
  • 12–3 PM53%(19 flights)
  • 3–6 PM71%(31 flights)
  • 6–9 PM72%(156 flights)
  • 9 PM–12 AM82%(11 flights)
On-time trend by month
45%
May

Jun 92% → May 45% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202592%12
July 202588%17
August 202562%21
September 202552%21
October 202578%18
November 202573%26
December 202558%26
January 202675%28
February 202684%19
March 202688%24
April 202630%30
May 202645%31
Departures on time
66%
Diverted
0%
Flights flown
273
Months covered
12

Same route, other flights

Keep nerding

Based on 274 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.