Flight Reliability
WN 4896 · Southwest Airlines
Denver → Sacramento (DEN–SMF)80% of its flights flew this route. The rest (BWI–CVG, CVG–DEN) are included in these numbers.
40
Bring Snacks
WanderNerd Reliability Score
- 50%
- Arrive within 15 minutes
- 35 min
- Average arrival delay
- 1.5%
- Cancelled
- 14 min
- Median arrival delay
Based on 65 historical flights. Data through May 2026.
What the data says
Well behind the DEN–SMF route.
WN 4896 arrived on time 50% of the time, versus 74% across the DEN–SMF route.
Well behind the Southwest Airlines network.
WN 4896 arrived on time 50% of the time, versus 78% across the Southwest Airlines network.
The breakdown
- Mon—(9 flights)
- Tue—(8 flights)
- Wed—(9 flights)
- Thu—(9 flights)
- Fri—(8 flights)
- Sat—(9 flights)
- Sun100%(12 flights)
- 6–9 AM—(1 flights)
- 9 AM–12 PM—(7 flights)
- 12–3 PM—(5 flights)
- 3–6 PM—(1 flights)
- 9 PM–12 AM36%(50 flights)
- Departures on time
- 47%
- Diverted
- 0%
- Flights flown
- 64
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 65 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.