PlainFlights

SAN vs ATL - Airport Comparison

Select two airports to compare on-time performance, delays, cancellations, and top routes using U.S. Department of Transportation Bureau of Transportation Statistics (BTS) data (2020–2025) across all 50 states. See our methodology for how metrics are computed.

Airport A
SAN

San Diego, CA

San Diego, California

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Airport B
ATL

Atlanta, GA

Atlanta, Georgia

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Key Performance Metrics

BTS on-time performance data, 2020–2025 cumulative.

Metric SAN ATL
On-Time Rate (higher is better) 80.8% 83.7%
Avg Delay (lower is better) 64.8 min 72.9 min
Delay Rate (lower is better) 19.2% 16.3%
Cancellation Rate (lower is better) 0.97% 0.79%
Total Flights 973,807 3,758,561
Delayed Flights 186,727 613,025
Cancelled Flights 9,421 29,771
Top Delay Cause Late Aircraft Carrier

✓ / ▲ indicates the more favorable value. Data: BTS On-Time Performance, 2020–2025.

Delay Cause Breakdown

SAN - San Diego, CA

Late Aircraft 46.4%
Carrier 28.6%
NAS 20.9%
Weather 3.9%
Security 0.2%

ATL - Atlanta, GA

Carrier 46.8%
Late Aircraft 27.2%
NAS 19.4%
Weather 6.4%
Security 0.2%

Top Routes

Top routes from SAN

Route Flights On-Time
SAN → SFO
San Francisco
34,589 77.3%
SFO → SAN
San Diego
34,477 80.3%
LAS → SAN
San Diego
33,593 72.8%
SAN → LAS
Las Vegas
33,400 77.7%
SJC → SAN
San Diego
31,755 82.2%
SAN → SJC
San Jose
31,496 82%

Top routes from ATL

Route Flights On-Time
MCO → ATL
Atlanta
47,291 78.1%
ATL → MCO
Orlando
47,234 76.2%
FLL → ATL
Atlanta
42,458 77.5%
ATL → FLL
Fort Lauderdale
42,441 77.2%
ATL → LGA
New York
42,079 80.8%
LGA → ATL
Atlanta
42,078 82.2%

Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) On-time rates exclude cancelled and diverted flights. PlainFlights is not affiliated with BTS or the DOT

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This tool queries live on-time, delay, and cancellation figures for the two selected airports from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.