Flight Reliability
WN 6434 · Southwest Airlines
Santa Ana → Sacramento (SNA–SMF)81% of its flights flew this route. The rest (PHX–MDW) are included in these numbers.
89
Pretty Reliable
WanderNerd Reliability Score
- 81%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 0%
- Cancelled
- 1 min early
- Median arrival delay
Based on 32 historical flights. Data through May 2026.
What the data says
A bit behind the SNA–SMF route.
WN 6434 arrived on time 81% of the time, versus 86% across the SNA–SMF route.
A bit ahead of the Southwest Airlines network.
WN 6434 arrived on time 81% of the time, versus 78% across the Southwest Airlines network.
The breakdown
- Mon—(9 flights)
- Tue—(0 flights)
- Wed—(0 flights)
- Thu—(9 flights)
- Fri—(8 flights)
- Sat—(0 flights)
- Sun—(6 flights)
- 12–3 PM—(6 flights)
- 3–6 PM81%(26 flights)
- Departures on time
- 78%
- Diverted
- 0%
- Flights flown
- 32
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 32 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.