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Route · SAN → ATL · 2020–2025 BTS data

San Diego to Atlanta

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SAN to ATL (San Diego to Atlanta) ranks #931 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

86.3%
On-time
+7.3 pts
vs US avg
84 min
Delay when late
11,762
Flights
#931 of 4927
Corpus placement

Cancelled

0.8%

Best Month

Feb 2024 96%

Worst Month

Dec 2024 63%

Distance

1,892 mi

Carriers

10

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 215 45 2 1 DL,AS
Nov 2025 218 29 3 0 DL,AS
Oct 2025 233 22 0 0 AS,DL
Sep 2025 217 24 0 0 DL,AS
Aug 2025 229 39 2 3 AS,DL
Jul 2025 230 48 2 4 AS,DL
Jun 2025 226 62 2 7 AS,DL
May 2025 228 34 1 2 AS,DL
Apr 2025 196 30 1 0 DL,AS
Mar 2025 196 37 0 0 AS,DL
Feb 2025 151 26 0 1 AS,DL
Jan 2025 172 23 5 0 AS,WN,DL
Dec 2024 208 77 3 0 AS,DL,WN
Nov 2024 221 21 0 0 WN,AS,DL
Oct 2024 231 58 2 1 AS,DL
Sep 2024 218 37 0 3 AS,DL
Aug 2024 231 44 3 2 AS,DL,NK,WN
Jul 2024 240 80 14 1 AS,DL,WN
Jun 2024 241 44 0 0 AS,DL,WN
May 2024 213 41 0 0 AS,DL,WN
Apr 2024 171 16 0 0 DL,WN
Mar 2024 172 16 0 0 DL,WN
Feb 2024 142 6 1 0 DL
Jan 2024 143 12 0 0 DL,F9,WN

SAN–ATL seasonal on-time pattern

Best: February (91.2%) · weakest: July (80.1%)

75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 82.6%

Strongest calendar month

February

91.2% on-time · ~131 flights/mo

Busiest calendar month

July

~189 flights/mo avg

Weakest calendar month

July

80.1% on-time · ~189 flights/mo

Cancellation Rate

0.8%

41 of 4,942 flights

Diversion Rate

0.5%

25 of 4,942 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

SAN - San Diego

Full on-time, delay-cause, and seasonal performance for San Diego, CA.

SAN on-time profile

ATL - Atlanta

Full on-time, delay-cause, and seasonal performance for Atlanta, GA.

ATL on-time profile

Compare the two airports

See SAN and ATL side by side on delays, cancellations, and reliability.

Compare SAN vs ATL

Origin-hub reliability standing

Among SAN's stronger departures

SAN → ATL posts a 86.3% on-time rate, landing in the ≥85% band with 13 of 51 BTS-tracked routes leaving San Diego. The same hub also shows 34 mid-band and 4 challenged departures · fleet-wide on-time rank #828 of 4927 (highest on-time = #1).

What the Data Says About SAN to ATL

San Diego to Atlanta (SAN to ATL) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.3% on-time rate across 11,762 flights, with delays that do happen averaging 84.1 minutes. The corridor runs roughly 1,892 miles and is served by 10 carriers. Over the most recent 24 months, 41 of 4,942 flights were cancelled (0.8%) and 25 diverted (0.5%).

The monthly split is wide on this route: Feb 2024 posted the strongest performance at 96% on-time, while Dec 2024 came in at just 63% - a 33-point swing worth factoring into travel timing.

On the multi-year calendar, SAN–ATL peaks in February at 91.2% on-time while July carries the heaviest traffic (~189 flights per month) ; the softest month is July at 80.1%, a 11.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SAN to ATL rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SAN to ATL ranks #931 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from SAN to ATL? ▼
Flights from San Diego to Atlanta have a 86.3% on-time rate based on 11,762 flights. The average delay is 84.1 minutes. The best recent month was Feb 2024 with 96% on-time.
What is the cancellation rate for SAN to ATL? ▼
Over the last 24 months, 0.8% of flights on this route were cancelled (41 of 4,942 flights) and 0.5% were diverted.
How far is the flight from SAN to ATL? ▼
The flight distance from San Diego (SAN) to Atlanta (ATL) is approximately 1,892 miles. This route is served by 10 carriers.
When is the best time to fly from SAN to ATL? ▼
The best recent month for on-time performance was Feb 2024 (96% on-time). The worst was Dec 2024 (63% on-time). Consider booking during months with historically better performance.

Airports on this route

SAN Airport

San Diego
ATL Airport

Atlanta
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using SAN–ATL data

SAN–ATL runs 7.3 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare SAN and ATL airport profiles: delay causes and top routes differ even on the same corridor. SAN airport
  • If your dates flex, February (91.2% on-time) beats July (80.1%) on this corridor. Seasonal chart
  • 4 other routes post a similar 86.3% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.