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Route Reliability

Philadelphia → San Diego

PHL–SAN · 2,370 miles · Philadelphia International Airport to San Diego International Airport

78
Usually Fine
WanderNerd Reliability Score
79%
Arrive within 15 minutes
6 min
Average arrival delay
1.5%
Cancelled
1,046
Flights in the data

Data through May 2026.

American Airlines is the only airline in this data on this route, arriving on time 79% of the time across 1,046 flights. No comparison to make.

What the data says

Morning-you made the right choice.

PHL–SAN flights departing between 6–9 AM arrived on time 91% of the time, versus 72% between 6–9 PM.

Skip Monday if you can.

PHL–SAN flights arrived on time 83% of the time on Saturdays. On Mondays: 75%.

Ticking up lately.

PHL–SAN flights arrived on time 85% of the time over the last three months in the data, compared with 79% in the three months before that.

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
  • Mon75%(145 flights)
  • Tue82%(148 flights)
  • Wed78%(145 flights)
  • Thu77%(142 flights)
  • Fri79%(149 flights)
  • Sat83%(146 flights)
  • Sun80%(147 flights)
On-time by departure window
  • 6–9 AM91%(352 flights)
  • 9 AM–12 PM—(5 flights)
  • 3–6 PM73%(319 flights)
  • 6–9 PM72%(346 flights)
On-time trend by month
81%
May

Jun 67% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%88
July 202566%91
August 202582%92
September 202584%87
October 202580%88
November 202577%86
December 202580%89
January 202680%60
February 202678%69
March 202689%92
April 202684%90
May 202681%90

Keep nerding

Based on 1,046 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.