Flight Reliability
WN 4961 · Southwest Airlines
Denver → Sacramento (DEN–SMF)98% of its flights flew this route. The rest (SRQ–CMH) are included in these numbers.
100
Nerd Approved
WanderNerd Reliability Score
- 93%
- Arrive within 15 minutes
- 13 min early
- Average arrival delay
- 0%
- Cancelled
- 16 min early
- Median arrival delay
Based on 54 historical flights. Data through May 2026.
What the data says
Well ahead of the DEN–SMF route.
WN 4961 arrived on time 93% of the time, versus 74% across the DEN–SMF route.
Better than the Southwest Airlines network average.
WN 4961 arrived on time 93% of the time, versus 78% across the Southwest Airlines network.
The breakdown
- Mon—(8 flights)
- Tue—(9 flights)
- Wed—(9 flights)
- Thu—(8 flights)
- Fri—(8 flights)
- Sat—(3 flights)
- Sun—(9 flights)
- 6–9 AM93%(29 flights)
- 3–6 PM—(3 flights)
- 9 PM–12 AM91%(22 flights)
- Departures on time
- 91%
- Diverted
- 0%
- Flights flown
- 54
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 54 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.