Flight history · Aug 2025 – Jul 2026 · US DOT on-time records

WN 2457 · New York (LGA) → Denver (DEN)

Sold by Southwest. Still flying: 48 of the last 56 days (Mon, Tue, Wed, Thu, Fri, Sun).

Arrives on time36%within 15 minutes, of 50 flights
Cancelled16.0%of scheduled flights
An hour or more late24%of flights that operated
When late, on average69 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Denver is 2 h behind New York).

Leaves LGA
20:55
Arrives DEN
23:30
Flight time
4h 32m
Days flown, last 8 weeks
48 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.

15+ min late64%
30+ min late57%
1h+ late24%
2h+ late10%
20%40%60%80% 015301h1h302h3h

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 8–9 pm, wherever they’re going: 64% left within 15 minutes and 8.7% were cancelled (9,573 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.