Route on-time record
SMF to SNA: most on-time flights and the best time to fly
Sacramento (Sacramento International Airport) to Santa Ana (John Wayne Orange County International Airport). 2,319 nonstop flights in Jun 2025 to May 2026, 84% arrived within 15 minutes and 0.6% were cancelled. The most reliable flight number was Southwest 4377 at 6:15 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
SMF → SNA
Sacramento to Santa Ana: 2,319 nonstop flights a year
On time (12 months)
84%
Cancelled
0.6%
avg delay 8 min
Best time to leave
Before 9 AM
94% on time vs 77% 3 to 6 PM
Most reliable airline
Southwest
84% chance on time
Lowest nonstop fare seen in the next two months: $144 (Southwest 4056 on 2026-11-09). 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 · Southwest 4377
6:15 AM → 7:45 AM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-29.
94%
chance on time
- On time (history)
- 100%
- Cancelled
- 0.0%
- Avg arrival delay
- 0 min
- Arrived on time 100% of the time (23 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; 3 to 6 PM: 77%).
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 4377 fares Opens this date on Aviasales#2 · Southwest 4115
6:35 AM → 8:00 AM1h 25m nonstop
Local times, typical schedule. Last flown 2026-04-06.
93%
chance on time
- On time (history)
- 100%
- Cancelled
- 0.0%
- Avg arrival delay
- 0 min
- Arrived on time 100% of the time (13 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; 3 to 6 PM: 77%).
- Short track record (13 flights), so its score leans on the airline's record at this hour.
Limited track record · 13 flights
Find Southwest 4115 fares Opens this date on Aviasales#3 · Southwest 2099
7:40 AM → 9:10 AM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-30.
91%
chance on time
- On time (history)
- 92%
- Cancelled
- 0.0%
- Avg arrival delay
- 2 min
- Arrived on time 92% of the time (24 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; 3 to 6 PM: 77%).
- Short track record (24 flights), so its score leans on the airline's record at this hour.
Limited track record · 24 flights
Find Southwest 2099 fares Opens this date on Aviasales#4 · Southwest 3759
7:25 AM → 8:50 AM1h 25m nonstop
Local times, typical schedule. Last flown 2026-04-04.
90%
chance on time
- On time (history)
- 92%
- Cancelled
- 7.7%
- Avg arrival delay
- 2 min
- Arrived on time 92% of the time (12 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; 3 to 6 PM: 77%).
- Short track record (12 flights), so its score leans on the airline's record at this hour.
Limited track record · 12 flights
Find Southwest 3759 fares Opens this date on Aviasales#5 · Southwest 4272
9:20 AM → 10:50 AM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-27. Same departure also flew as Southwest 2766; its record covers all of them.
90%
chance on time
- On time (history)
- 92%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 min
- Arrived on time 92% of the time (24 flights, Jun 2025 to May 2026).
- Short track record (24 flights), so its score leans on the airline's record at this hour.
Limited track record · 24 flights
Find Southwest 4272 fares Opens this date on Aviasales#6 · Southwest 1129
11:10 AM → 12:40 PM1h 30m nonstop
Local times, typical schedule. Last flown 2026-04-06.
89%
chance on time
- On time (history)
- 100%
- Cancelled
- 0.0%
- Avg arrival delay
- 1 min
- Arrived on time 100% of the time (15 flights, Jun 2025 to May 2026).
- Short track record (15 flights), so its score leans on the airline's record at this hour.
Limited track record · 15 flights
Find Southwest 1129 fares Opens this date on Aviasales#7 · Southwest 4378
8:40 AM → 10:10 AM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 574; its record covers all of them.
87%
chance on time
- On time (history)
- 86%
- Cancelled
- 1.5%
- Avg arrival delay
- 10 min
- Arrived on time 86% of the time (66 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; 3 to 6 PM: 77%).
- 79% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 66 flights
Find Southwest 4378 fares Opens this date on Aviasales#8 · Southwest 2632
11:00 AM → 12:30 PM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-31.
86%
chance on time
- On time (history)
- 87%
- Cancelled
- 0.0%
- Avg arrival delay
- 9 min
- Arrived on time 87% of the time (30 flights, Jun 2025 to May 2026).
- Never cancelled in 30 scheduled flights.
- Short track record (30 flights), so its score leans on the airline's record at this hour.
Limited track record · 30 flights
Find Southwest 2632 fares Opens this date on Aviasales#9 · Southwest 1807
10:45 AM → 12:10 PM1h 25m nonstop
Local times, typical schedule. Last flown 2026-04-01.
85%
chance on time
- On time (history)
- 75%
- Cancelled
- 0.0%
- Avg arrival delay
- 10 min
- Arrived on time 75% of the time (8 flights, Jun 2025 to May 2026).
- 100% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 1807 fares Opens this date on Aviasales#10 · Southwest 4382
6:30 PM → 8:00 PM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-30. Same departure also flew as Southwest 2748; its record covers all of them.
83%
chance on time
- On time (history)
- 84%
- Cancelled
- 0.0%
- Avg arrival delay
- 10 min
- Arrived on time 84% of the time (67 flights, Jun 2025 to May 2026).
- Never cancelled in 67 scheduled flights.
Moderate track record · 67 flights
Find Southwest 4382 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines84%
2,319 flights · 84% on time as flown · 0.6% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM94%
533 flights · avg delay 4 min
- 9 AM to noon91%
352 flights · avg delay 5 min
- Noon to 3 PM82%
453 flights · avg delay 9 min
- 3 to 6 PM77%
460 flights · avg delay 12 min
- 6 to 9 PM79%
521 flights · avg delay 9 min
Best day: Tuesday (90%). Worst: Friday (82%).
Smarter routing
Nearby airports that run more on time
SMF → LAX 86% chance on time
Sacramento International Airport to Los Angeles International Airport · 5,602 flights a year · 36 mi from your airports · yours: 84%
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.
What delays this route
- Late-arriving aircraft68%
- Airline (crew, maintenance, boarding)26%
- Air traffic control and airport volume6%
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
SMF to SNA questions
- What time of day is best to fly SMF to SNA?
- Before 9 AM: 94% of flights arrived on time, against 77% for departures 3 to 6 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
- Which airline is most on time from SMF to SNA?
- Southwest, with a season-adjusted 84% chance of operating and arriving on time over 2,319 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 SMF to SNA?
- October (83% on time); the best was September (89%), 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 SMF
- SNA to SMF (return)
- SMF to LAX 86%
- SMF to SAN 74%
- SMF to SEA 82%
- SMF to LAS 80%
- SMF to DEN 82%
- SMF to PHX 82%
- SMF to BUR 85%
- SMF to SLC 88%
- SMF to ONT 85%
- SMF to PDX 82%
- SMF to LGB 86%
- SMF to DFW 80%
Live status: FAA delays and ground stops