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Route Reliability

San Diego → Atlanta

SAN–ATL · 1,892 miles · San Diego International Airport to Hartsfield–Jackson Atlanta International Airport

87
Pretty Reliable
WanderNerd Reliability Score
85%
Arrive within 15 minutes
3 min
Average arrival delay
0.7%
Cancelled
2,460
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Delta Air Lines86%2,189 flights
  2. 2.Alaska Airlines72%271 flights

What the data says

The 6–9 AM departure wins.

SAN–ATL flights departing between 6–9 AM arrived on time 89% of the time, versus 78% between 9 AM–12 PM.

Wednesday comes out ahead.

A small edge: 86% on time on Wednesdays against 82% on Sundays.

Delta Air Lines runs this route best.

Delta Air Lines arrived on time 86% of the time on this route; Alaska Airlines managed 72%.

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
  • Mon86%(361 flights)
  • Tue84%(335 flights)
  • Wed86%(339 flights)
  • Thu85%(354 flights)
  • Fri85%(350 flights)
  • Sat85%(320 flights)
  • Sun82%(367 flights)
On-time by departure window
  • 6–9 AM89%(717 flights)
  • 9 AM–12 PM78%(628 flights)
  • 12–3 PM82%(567 flights)
  • 3–6 PM—(7 flights)
  • 9 PM–12 AM89%(507 flights)
On-time trend by month
91%
May

Jun 73% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%217
July 202579%224
August 202583%224
September 202589%217
October 202591%233
November 202587%215
December 202579%212
January 202684%175
February 202690%165
March 202673%184
April 202696%176
May 202691%184

Keep nerding

Based on 2,460 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.