ATL to SNA flight delays & on-time performance
Nonstop flights from Hartsfield Jackson Atlanta International Airport to John Wayne Orange County International Airport · 1,919 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ATL or SNA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Atlanta (ATL) to Santa Ana (SNA) arrived on time 76% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.9% were cancelled, and 5% arrived an hour or more late.
- Delta Air Lines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 4pm did best (85% on time); around 11am did worst (73%).
- Saturday was the most reliable day to fly (83% on time) and Thursday the least (71%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (56%).
Which airline is most on time from ATL to SNA?
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 | 76% | 0.9% | 14 min | 5.2% | 1,033 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am81%16 flights
- 9am73%239 flights
- 10am75%55 flights
- 11am73%124 flights
- 3pm75%48 flights
- 4pm85%41 flights
- 5pm74%184 flights
- 6pm82%62 flights
- 8pm79%264 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday72%0.6% cancelled
- Tuesday80%0.0% cancelled
- Wednesday77%0.0% cancelled
- Thursday71%0.0% cancelled
- Friday75%1.2% cancelled
- Saturday83%0.8% cancelled
- Sunday75%3.1% 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)56%
- Air traffic control & airport congestion25%
- Late-arriving aircraft15%
- Extreme weather3%
- Security1%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)56%
- Extreme weather44%
- Air traffic control & airport congestion0%
- Security0%
ATL to SNA: common questions
- How often are ATL to SNA flights on time?
- 76% 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 Atlanta to Santa Ana cancelled?
- 0.9% of scheduled flights were cancelled (9 of 1,033).
- How long are typical delays?
- Across all flights the average arrival delay was 14 min (early arrivals count as zero). Flights that were late arrived 51 min behind schedule on average, and 5.2% of flights were an hour or more late.
- How long is taxi time at ATL?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SNA to ATL — 81% on time
More flights from Atlanta
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: ATL → SNA, nonstop flights by US airlines that report to the DOT. How we calculate this.