SAN to ATL flight delays & on-time performance
Nonstop flights from San Diego International Airport to Hartsfield Jackson Atlanta International Airport · 1,892 miles · Aug 2025 – Jul 2026
- SAN: Airport closed. Closed, expected to reopen Oct 11 at 13:00 UTC.
On-time arrivals
86%
arrived < 15 min late
Cancelled
0.7%
16 flights
Avg arrival delay
11 min
71 min when late
Airlines
2
2,378 flights tracked
Key facts
- Flights from San Diego (SAN) to Atlanta (ATL) arrived on time 86% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.7% were cancelled, and 4% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (87% on time); Alaska Airlines was the least (78%).
- Departures scheduled around 6am did best (91% on time); around 2pm did worst (82%).
- Wednesday was the most reliable day to fly (90% on time) and Sunday the least (82%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (45%).
Which airline is most on time from SAN to ATL?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 87% | 0.7% | 11 min | 3.5% | 2,167 |
| Alaska Airlines | 78% | 0.5% | 14 min | 5.7% | 211 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am91%365 flights
- 8am83%365 flights
- 10am84%189 flights
- 11am83%384 flights
- 12pm87%192 flights
- 1pm88%69 flights
- 2pm82%316 flights
- 9pm83%132 flights
- 10pm90%365 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday86%0.9% cancelled
- Tuesday86%0.3% cancelled
- Wednesday90%0.0% cancelled
- Thursday85%0.3% cancelled
- Friday86%0.6% cancelled
- Saturday87%1.3% cancelled
- Sunday82%1.4% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)45%
- Late-arriving aircraft27%
- Air traffic control & airport congestion21%
- Extreme weather7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)56%
- Extreme weather38%
- Air traffic control & airport congestion6%
- Security0%
SAN to ATL: common questions
- How often are SAN to ATL flights on time?
- 86% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from San Diego to Atlanta cancelled?
- 0.7% of scheduled flights were cancelled (16 of 2,378).
- How long are typical delays?
- Across all flights the average arrival delay was 11 min (early arrivals count as zero). Flights that were late arrived 71 min behind schedule on average, and 3.7% of flights were an hour or more late.
- How long is taxi time at SAN?
- Flights on this route spent 24 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ATL to SAN — 79% on time
More flights from San Diego
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SAN → ATL, nonstop flights by US airlines that report to the DOT. How we calculate this.