Skip to content

All Products

Aviation Intelligence

Alerts & Airspace

Free Pilot Tools & Widgets

RC Aviation

Games & Learning

Weather Research & More

Pilot Resources

My Airports

Your shortcuts, saved on this device. Search to add an airport.

No airports saved yet. Add the fields you visit most.

Ask ATIS

Route on-time record

SAN to ATL: most on-time flights and the best time to fly

San Diego (San Diego International Airport) to Atlanta (Hartsfield Jackson Atlanta International Airport). 2,460 nonstop flights in Jun 2025 to May 2026, 84% arrived within 15 minutes and 0.7% were cancelled. The most reliable flight number was Delta 729 at 6:15 AM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

SAN → ATL

San Diego to Atlanta: 2,460 nonstop flights a year

On time (12 months)

84%

Cancelled

0.7%

avg delay 12 min

Best time to leave

After 9 PM

88% on time vs 78% 9 AM to noon

Most reliable airline

Delta

85% chance on time

Check SAN to ATL fares

Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Most reliable nonstop flights

Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.

  1. #1 · Delta 729

    6:15 AM → 1:25 PM4h 18m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    92%

    chance on time

    On time (history)
    93%
    Cancelled
    1.1%
    Avg arrival delay
    5 min
    • Arrived on time 93% of the time (359 flights, Jun 2025 to May 2026).
    • Departs inside SAN's trouble window: 66% of its 164 ground stops and delay programs started between 6 AM and noon.
    • Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.

    Strong track record · 359 flights

    Find Delta 729 fares Opens this date on Aviasales

  2. #2 · Delta 819

    10:25 PM → 5:44 AM4h 18m nonstop

    Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Delta 731; its record covers all of them.

    87%

    chance on time

    On time (history)
    89%
    Cancelled
    1.2%
    Avg arrival delay
    10 min
    • Arrived on time 89% of the time (240 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (After 9 PM: 88% on time; 9 AM to noon: 78%).
    • Departs outside SAN's trouble window (6 AM to noon, when 66% of its 164 ground stops and delay programs started).

    Strong track record · 240 flights

    Find Delta 819 fares Opens this date on Aviasales

  3. #3 · Delta 1179

    8:00 AM → 3:10 PM4h 19m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    85%

    chance on time

    On time (history)
    86%
    Cancelled
    2.0%
    Avg arrival delay
    13 min
    • Arrived on time 86% of the time (246 flights, Jun 2025 to May 2026).
    • Departs inside SAN's trouble window: 66% of its 164 ground stops and delay programs started between 6 AM and noon.
    • Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.

    Strong track record · 246 flights

    Find Delta 1179 fares Opens this date on Aviasales

  4. #4 · Delta 924

    12:41 PM → 8:07 PM4h 26m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    84%

    chance on time

    On time (history)
    88%
    Cancelled
    0.0%
    Avg arrival delay
    10 min
    • Arrived on time 88% of the time (25 flights, Jun 2025 to May 2026).
    • Departs outside SAN's trouble window (6 AM to noon, when 66% of its 164 ground stops and delay programs started).
    • 52% of its delay minutes came from the plane arriving late from an earlier flight.
    • Short track record (25 flights), so its score leans on the airline's record at this hour.

    Limited track record · 25 flights

    Find Delta 924 fares Opens this date on Aviasales

  5. #5 · Delta 894

    2:10 PM → 9:29 PM4h 22m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    84%

    chance on time

    On time (history)
    86%
    Cancelled
    0.7%
    Avg arrival delay
    7 min
    • Arrived on time 86% of the time (146 flights, Jun 2025 to May 2026).
    • Departs outside SAN's trouble window (6 AM to noon, when 66% of its 164 ground stops and delay programs started).

    Moderate track record · 146 flights

    Find Delta 894 fares Opens this date on Aviasales

  6. #6 · Delta 932

    9:55 PM → 5:00 AM4h 05m nonstop

    Local times, typical schedule. Last flown 2026-05-06.

    83%

    chance on time

    On time (history)
    83%
    Cancelled
    0.0%
    Avg arrival delay
    15 min
    • Arrived on time 83% of the time (248 flights, Jun 2025 to May 2026).
    • Never cancelled in 254 scheduled flights.
    • Leaves in this route's most on-time window (After 9 PM: 88% on time; 9 AM to noon: 78%).
    • Departs outside SAN's trouble window (6 AM to noon, when 66% of its 164 ground stops and delay programs started).

    Strong track record · 248 flights

    Find Delta 932 fares Opens this date on Aviasales

  7. #7 · Delta 725

    11:02 AM → 6:18 PM4h 16m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    83%

    chance on time

    On time (history)
    83%
    Cancelled
    0.3%
    Avg arrival delay
    9 min
    • Arrived on time 83% of the time (359 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (9 AM to noon: 78% on time; After 9 PM: 88%).
    • Departs inside SAN's trouble window: 66% of its 164 ground stops and delay programs started between 6 AM and noon.
    • Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.

    Strong track record · 359 flights

    Find Delta 725 fares Opens this date on Aviasales

  8. #8 · Alaska 370

    10:53 AM → 6:07 PM4h 14m nonstop

    Local times, typical schedule. Last flown 2026-03-10.

    82%

    chance on time

    On time (history)
    91%
    Cancelled
    0.0%
    Avg arrival delay
    4 min
    • Arrived on time 91% of the time (53 flights, Jun 2025 to May 2026).
    • Never cancelled in 53 scheduled flights.
    • Leaves in this route's least on-time window (9 AM to noon: 78% on time; After 9 PM: 88%).
    • Departs inside SAN's trouble window: 66% of its 164 ground stops and delay programs started between 6 AM and noon.

    Limited track record · 53 flights

    Find Alaska 370 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Delta Air Lines85%

    2,189 flights · 85% on time as flown · 0.8% cancel

  • Alaska Airlines74%

    271 flights · 71% on time as flown · 0.5% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

  • Before 9 AM88%

    731 flights · avg delay 10 min

  • 9 AM to noon78%

    633 flights · avg delay 13 min

  • Noon to 3 PM82%

    576 flights · avg delay 13 min

  • After 9 PM88%

    513 flights · avg delay 11 min

Best day: Monday (85%). Worst: Sunday (80%).

On time by month

All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.

J
86
F
89
M
81
A
90
M
85
J
79
J
74
A
81
S
89
O
84
N
89
D
78

What delays this route

  • Airline (crew, maintenance, boarding)41%
  • Late-arriving aircraft28%
  • Air traffic control and airport volume24%
  • Severe weather6%

Share of delay minutes by the cause airlines report to the US DOT.

Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure

SAN to ATL questions

What time of day is best to fly SAN to ATL?
After 9 PM: 88% of flights arrived on time, against 78% for departures 9 AM to noon.
Which airline is most on time from SAN to ATL?
Delta, with a season-adjusted 85% chance of operating and arriving on time over 2,189 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
What is the worst month for delays on SAN to ATL?
July (74% on time); the best was April (90%), averaged over Jun 2023 to May 2026.
Is this a prediction for my flight?
No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.

More routes from SAN

Live status: FAA delays and ground stops