Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
WN 4135 · Nashville (BNA) → Pittsburgh (PIT)
Sold by Southwest. Still flying: 16 of the last 56 days (Tue, Wed).
Arrives on time50%within 15 minutes, of 16 flights
Cancelled0.0%of scheduled flights
An hour or more late19%of flights that operated
When late, on average55 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Pittsburgh is 1 h ahead of Nashville).
- Leaves BNA
- 19:45
- Arrives PIT
- 22:22
- Flight time
- 1h 38m
- Days flown, last 8 weeks
- 16 of 56
Each square is a day, Sat Jun 6 to Fri Jul 31, two weeks per row (each column is the same weekday); filled = flew.
How late it arrives
Share of flights that operated arriving more than this late.
Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.
Its hour at BNA
All flights leaving Nashville (BNA) at 7–8 pm, wherever they’re going: 56% left within 15 minutes and 2.2% were cancelled (6,531 flights in the year). Other Southwest flights on this route →
Upcoming forecasts
This flight isn’t in our published forecasts for the next few days.