Flight Reliability
WN 5878 · Southwest Airlines
Las Vegas → Albany (LAS–ALB)
85
Pretty Reliable
WanderNerd Reliability Score
- 77%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 0%
- Cancelled
- 2 min early
- Median arrival delay
Based on 30 historical flights. Data through May 2026.
What the data says
The 6–9 AM departure wins.
WN 5878 departing between 6–9 AM arrived on time 92% of the time, versus 62% between 9 AM–12 PM.
A bit behind the LAS–ALB route.
WN 5878 arrived on time 77% of the time, versus 82% across the LAS–ALB route.
The breakdown
- Mon—(4 flights)
- Tue—(4 flights)
- Wed—(4 flights)
- Thu—(5 flights)
- Fri—(4 flights)
- Sat—(5 flights)
- Sun—(4 flights)
- 6–9 AM92%(13 flights)
- 9 AM–12 PM62%(13 flights)
- 3–6 PM—(4 flights)
- Departures on time
- 77%
- Diverted
- 0%
- Flights flown
- 30
- Months covered
- 2
Same route, other flights
Keep nerding
Based on 30 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.