Flight Reliability
WN 4705 · Southwest Airlines
San Antonio → Phoenix (SAT–PHX)81% of its flights flew this route. The rest (MCI–PHX, PHX–DEN) are included in these numbers.
100
Nerd Approved
WanderNerd Reliability Score
- 92%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 0%
- Cancelled
- 8 min early
- Median arrival delay
Based on 75 historical flights. Data through May 2026.
What the data says
The 6–9 AM departure wins.
WN 4705 departing between 6–9 AM arrived on time 97% of the time, versus 86% between 9 AM–12 PM.
Sunday scaries are real for this one.
WN 4705 arrived on time 100% of the time on Wednesdays. On Sundays: 90%.
Better than the SAT–PHX route average.
WN 4705 arrived on time 92% of the time, versus 84% across the SAT–PHX route.
Better than the Southwest Airlines network average.
WN 4705 arrived on time 92% of the time, versus 78% across the Southwest Airlines network.
The breakdown
- Mon—(9 flights)
- Tue92%(12 flights)
- Wed100%(12 flights)
- Thu—(9 flights)
- Fri—(9 flights)
- Sat93%(14 flights)
- Sun90%(10 flights)
- 6–9 AM97%(39 flights)
- 9 AM–12 PM86%(36 flights)
- Departures on time
- 87%
- Diverted
- 0%
- Flights flown
- 75
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 75 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.