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Route Reliability

San Diego → Philadelphia

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

85
Pretty Reliable
WanderNerd Reliability Score
88%
Arrive within 15 minutes
2 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 88% of the time across 1,046 flights. No comparison to make.

What the data says

The 6–9 AM departure wins.

SAN–PHL flights departing between 6–9 AM arrived on time 93% of the time, versus 80% between 9 AM–12 PM.

Tuesday has been the better bet.

A small edge: 91% on time on Tuesdays against 86% on Thursdays.

Ticking up lately.

SAN–PHL flights arrived on time 90% of the time over the last three months in the data, compared with 86% 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
  • Mon89%(145 flights)
  • Tue91%(147 flights)
  • Wed86%(145 flights)
  • Thu86%(145 flights)
  • Fri87%(147 flights)
  • Sat87%(144 flights)
  • Sun88%(145 flights)
On-time by departure window
  • 6–9 AM93%(324 flights)
  • 9 AM–12 PM80%(383 flights)
  • 9 PM–12 AM92%(311 flights)
On-time trend by month
90%
May

Jun 81% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%87
July 202583%90
August 202594%92
September 202587%90
October 202591%90
November 202589%81
December 202594%86
January 202685%61
February 202678%69
March 202685%92
April 202694%90
May 202690%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.