Flight Reliability
WN 4980 · Southwest Airlines
Chicago → Nashville (ORD–BNA)98% of its flights flew this route. The rest (DEN–MCO) are included in these numbers.
86
Pretty Reliable
WanderNerd Reliability Score
- 85%
- Arrive within 15 minutes
- 4 min early
- Average arrival delay
- 1.7%
- Cancelled
- 13 min early
- Median arrival delay
Based on 59 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
WN 4980 departing between 3–6 PM arrived on time 100% of the time, versus 80% between 12–3 PM.
Better than the ORD–BNA route average.
WN 4980 arrived on time 85% of the time, versus 70% across the ORD–BNA route.
A bit ahead of the Southwest Airlines network.
WN 4980 arrived on time 85% 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—(8 flights)
- Sun—(8 flights)
- 9 AM–12 PM—(1 flights)
- 12–3 PM80%(46 flights)
- 3–6 PM100%(11 flights)
- Departures on time
- 93%
- Diverted
- 0%
- Flights flown
- 58
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 59 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.