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Flight Reliability

AS 433 · Alaska Airlines

Tampa → San Diego (TPA–SAN)95% of its flights flew this route. The rest (JNU–SEA) are included in these numbers.

86
Pretty Reliable
WanderNerd Reliability Score
85%
Arrive within 15 minutes
5 min early
Average arrival delay
1.4%
Cancelled
13 min early
Median arrival delay

Based on 363 historical flights. Data through May 2026.

What the data says

The 6–9 AM departure wins.

AS 433 departing between 6–9 AM arrived on time 91% of the time, versus 77% between 9 AM–12 PM.

Saturdays have been rough.

AS 433 arrived on time 90% of the time on Fridays and just 74% on Saturdays. That gap is worth planning around.

Better than the TPA–SAN route average.

AS 433 arrived on time 85% of the time, versus 77% across the TPA–SAN route.

A bit ahead of the Alaska Airlines network.

AS 433 arrived on time 85% of the time, versus 80% across the Alaska Airlines network.

The breakdown

On-time by weekday
  • Mon84%(51 flights)
  • Tue89%(52 flights)
  • Wed88%(51 flights)
  • Thu90%(49 flights)
  • Fri90%(51 flights)
  • Sat74%(50 flights)
  • Sun79%(53 flights)
On-time by departure window
  • 3–6 AM89%(18 flights)
  • 6–9 AM91%(183 flights)
  • 9 AM–12 PM77%(156 flights)
On-time trend by month
83%
May

Jun 62% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%29
July 202571%28
August 202584%31
September 202590%29
October 202584%31
November 202593%29
December 202590%31
January 202674%31
February 2026100%28
March 202697%31
April 202690%29
May 202683%30
Departures on time
85%
Diverted
0.3%
Flights flown
357
Months covered
12

Same route, other flights

Keep nerding

Based on 363 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.