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.
DAL → SNA
Dallas to Santa Ana: 364 nonstop flights a year
On time (12 months)
71%
Cancelled
1.1%
avg delay 15 min
Best time to leave
9 AM to noon
85% on time vs 57% 6 to 9 PM
Most reliable airline
Southwest
70% chance on time
Lowest nonstop fare seen in the next two months: $190 (Southwest 2847 on 2026-11-18). 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 1227
7:35 PM → 8:55 PM3h 20m nonstop
Local times, typical schedule. Last flown 2026-05-27.
70%
chance on time
- On time (history)
- 75%
- Cancelled
- 0.0%
- Avg arrival delay
- 22 min
- Arrived on time 75% of the time (16 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 57% on time; 9 AM to noon: 85%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- 94% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 16 flights
Find Southwest 1227 fares Opens this date on Aviasales#2 · Southwest 869
5:55 PM → 7:15 PM3h 20m nonstop
Local times, typical schedule. Last flown 2026-05-30.
66%
chance on time
- On time (history)
- 50%
- Cancelled
- 0.0%
- Avg arrival delay
- 20 min
- Arrived on time 50% of the time (8 flights, Jun 2025 to May 2026).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 869 fares Opens this date on Aviasales#3 · Southwest 2328
7:50 PM → 9:15 PM3h 25m nonstop
Local times, typical schedule. Last flown 2026-04-06.
63%
chance on time
- On time (history)
- 57%
- Cancelled
- 0.0%
- Avg arrival delay
- 17 min
- Arrived on time 57% of the time (30 flights, Jun 2025 to May 2026).
- Never cancelled in 30 scheduled flights.
- Leaves in this route's least on-time window (6 to 9 PM: 57% on time; 9 AM to noon: 85%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
Limited track record · 30 flights
Find Southwest 2328 fares Opens this date on Aviasales#4 · Southwest 3419
6:15 PM → 7:35 PM3h 20m nonstop
Local times, typical schedule. Last flown 2026-05-29.
60%
chance on time
- On time (history)
- 48%
- Cancelled
- 0.0%
- Avg arrival delay
- 24 min
- Arrived on time 48% of the time (23 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 57% on time; 9 AM to noon: 85%).
- Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
- 60% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 23 flights
Find Southwest 3419 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines70%
364 flights · 71% on time as flown · 1.1% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- 9 AM to noon85%
84 flights · avg delay 10 min
- Noon to 3 PM78%
69 flights · avg delay 12 min
- 3 to 6 PM67%
56 flights · avg delay 18 min
- 6 to 9 PM57%
139 flights · avg delay 20 min
Best day: Monday (82%). Worst: Sunday (65%).
Smarter routing
Nearby airports that run more on time
DFW → SNA 75% chance on time
Dallas Fort Worth International Airport to John Wayne Orange County International Airport · 2,905 flights a year · 12 mi from your airports · yours: 70%
DAL → LGB 73% chance on time
Dallas Love Field to Long Beach International Airport · 562 flights a year · 19 mi from your airports · yours: 70%
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