Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
WN 2740 · New York (LGA) → St Louis (STL)
Sold by Southwest. Still flying: 40 of the last 56 days (Mon–Fri).
Arrives on time73%within 15 minutes, of 42 flights
Cancelled11.9%of scheduled flights
An hour or more late14%of flights that operated
When late, on average111 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (St Louis is 1 h behind New York).
- Leaves LGA
- 15:00
- Arrives STL
- 17:00
- Flight time
- 3h 00m
- Days flown, last 8 weeks
- 40 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 LGA
All flights leaving New York (LGA) at 3–4 pm, wherever they’re going: 70% left within 15 minutes and 4.2% were cancelled (13,065 flights in the year). Other Southwest flights on this route →
Upcoming forecasts
Our odds that this flight is late or cancelled on the days we publish.