ATIS Alerts Smart Flight Search
Find the flight least likely to be delayed
BetaWe rank real flight numbers by how often they flew and arrived on time over the last 12 months, adjusted for your travel month and departure time, then check nearby airports and calmer connections. US airlines and airports.
AUS → SNA
Austin to Santa Ana: 352 nonstop flights a year
On time (12 months)
73%
Cancelled
0.0%
avg delay 14 min
Best time to leave
Noon to 3 PM
82% on time vs 59% 6 to 9 PM
Most reliable airline
Southwest
73% chance on time
Lowest nonstop fare seen in the next two months: $262 (Southwest 1262 on 2026-11-23). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Best trips
4 nonstop, 42 with 1 connection. Best overall weighs the chance you arrive on time as booked, connection odds, travel time and separate tickets.
Best overall#1 · Nonstop · 3h 15m
12:30 PM → 1:45 PM
81%
arrive on time
81% on time · 0.0% cancel12:30 PM AUS → 1:45 PM SNA3h 15m
Southwest 2644
Boeing 737-700 · 18–23 yrs oldFind Southwest 2644 fares Opens this date on Aviasales#2 · Nonstop · 3h 20m
12:20 PM → 1:40 PM
80%
arrive on time
80% on time · 0.0% cancel12:20 PM AUS → 1:40 PM SNA3h 20m
Southwest 1036
Boeing 737-700 · 18–22 yrs oldFind Southwest 1036 fares Opens this date on Aviasales#3 · 1 connection · 7h 20m · one ticket (Southwest)
6:00 AM → 11:20 AM
98%
connections made
93%
arrive on time
86% on time · 0.1% cancel6:00 AM AUS → 7:45 AM SJC3h 45m
Southwest 3156
Boeing 737 MAX 8 or 737-800 · 1–14 yrs oldConnect in SJC · 2h 15m · 99% chance to make it · same ticket: the airline rebooks you if you miss it96% on time · 0.9% cancel10:00 AM SJC → 11:20 AM SNA1h 20m
Southwest 1866
Boeing 737-700 · 15–21 yrs oldFind this Southwest trip Look for Southwest 3156 + Southwest 1866 on Aviasales#4 · 1 connection · 7h 10m · one ticket (Southwest)
6:55 AM → 12:05 PM
95%
connections made
91%
arrive on time
91% on time · 0.2% cancel6:55 AM AUS → 8:50 AM SJC3h 55m
Southwest 2506
Boeing 737-800 · 3–14 yrs oldConnect in SJC · 1h 55m · 96% chance to make it · same ticket: the airline rebooks you if you miss it95% on time · 0.9% cancel10:45 AM SJC → 12:05 PM SNA1h 20m
Southwest 2495
Boeing 737-700 · 18–24 yrs oldFind this Southwest trip Look for Southwest 2506 + Southwest 2495 on Aviasales#5 · 1 connection · 8h 05m · one ticket (Southwest)
6:00 AM → 12:05 PM
98%
connections made
93%
arrive on time
86% on time · 0.1% cancel6:00 AM AUS → 7:45 AM SJC3h 45m
Southwest 3156
Boeing 737 MAX 8 or 737-800 · 1–14 yrs oldConnect in SJC · 3h 00m · 99% chance to make it · same ticket: the airline rebooks you if you miss it95% on time · 0.9% cancel10:45 AM SJC → 12:05 PM SNA1h 20m
Southwest 2495
Boeing 737-700 · 18–24 yrs oldFind this Southwest trip Look for Southwest 3156 + Southwest 2495 on Aviasales#6 · 1 connection · 6h 40m · one ticket (Southwest)
7:25 AM → 12:05 PM
93%
connections made
89%
arrive on time
86% on time · 0.2% cancel7:25 AM AUS → 9:10 AM SJC3h 45m
Southwest 865
Boeing 737-800 or 737 MAX 8 · 1–13 yrs oldConnect in SJC · 1h 35m · 94% chance to make it · same ticket: the airline rebooks you if you miss it95% on time · 0.9% cancel10:45 AM SJC → 12:05 PM SNA1h 20m
Southwest 2495
Boeing 737-700 · 18–24 yrs oldFind this Southwest trip Look for Southwest 865 + Southwest 2495 on Aviasales#7 · 1 connection · 7h 05m · one ticket (Southwest)
6:00 AM → 11:05 AM
95%
connections made
88%
arrive on time
86% on time · 0.1% cancel6:00 AM AUS → 7:45 AM SJC3h 45m
Southwest 3156
Boeing 737 MAX 8 or 737-800 · 1–14 yrs oldConnect in SJC · 2h 00m · 96% chance to make it · same ticket: the airline rebooks you if you miss it92% on time · 0.8% cancel9:45 AM SJC → 11:05 AM SNA1h 20m
Southwest 4272
Boeing 737-700 · 18–24 yrs oldFind this Southwest trip Look for Southwest 3156 + Southwest 4272 on Aviasales#8 · Nonstop · 3h 20m
6:35 PM → 7:55 PM
75%
arrive on time
75% on time · 0.0% cancel6:35 PM AUS → 7:55 PM SNA3h 20m
Southwest 1743
Boeing 737-700 · 18–23 yrs oldFind Southwest 1743 fares Opens this date on Aviasales#9 · 1 connection · 4h 55m · one ticket (American)
6:00 AM → 8:55 AM
88%
connections made
81%
arrive on time
90% on time · 1.4% cancel6:00 AM AUS → 6:30 AM PHX2h 30m
American 455 · also flew as 1386
Airbus A319 or Boeing 737-800 · 9–27 yrs oldConnect in PHX · 1h 02m · 90% chance to make it · same ticket: the airline rebooks you if you miss it92% on time · 0.3% cancel7:32 AM PHX → 8:55 AM SNA1h 23m
American 2660 · also flew as 1562
Boeing 737 MAX 8 · 0–9 yrs oldFind this American trip Look for American 455 + American 2660 on Aviasales#10 · 1 connection · 7h 43m · one ticket (United)
5:30 AM → 11:13 AM
96%
connections made
89%
arrive on time
93% on time · 2.0% cancel5:30 AM AUS → 6:36 AM IAH1h 06m
United 1966
Boeing 737-800 · 4–28 yrs oldConnect in IAH · 2h 54m · 98% chance to make it · same ticket: the airline rebooks you if you miss it93% on time · 0.1% cancel9:30 AM IAH → 11:13 AM SNA3h 43m
United 1383
Boeing 737 MAX 8 · 2–28 yrs oldFind this United trip Look for United 1966 + United 1383 on Aviasales
Aircraft and ages come from the planes each flight number actually flew in the last 3 months of data (FAA registry build years); airlines can swap planes.
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines73%
352 flights · 73% on time as flown · 0.0% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Noon to 3 PM82%
105 flights · avg delay 12 min
- 3 to 6 PM71%
195 flights · avg delay 14 min
- 6 to 9 PM59%
44 flights · avg delay 22 min
Best day: Tuesday (80%). Worst: Sunday (69%).
Smarter routing
Nearby airports that run more on time
AUS → LAX 81% chance on time
Austin Bergstrom International Airport to Los Angeles International Airport · 4,074 flights a year · 36 mi from your airports · yours: 73%
AUS → ONT 76% chance on time
Austin Bergstrom International Airport to Ontario International Airport · 335 flights a year · 30 mi from your airports · yours: 73%
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