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

WN 958 · Buffalo (BUF) → Baltimore (BWI)

Sold by Southwest. Still flying: 40 of the last 56 days (Mon–Fri).

Arrives on time66%within 15 minutes, of 42 flights
Cancelled7.1%of scheduled flights
An hour or more late13%of flights that operated
When late, on average74 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.

Leaves BUF
17:55
Arrives BWI
19:15
Flight time
1h 20m
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.

15+ min late34%
30+ min late13%
1h+ late13%
2h+ late8%
20%40%60%80% 015301h1h302h3h

Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.

Its hour at BUF

All flights leaving Buffalo (BUF) at 5–6 pm, wherever they’re going: 66% left within 15 minutes and 3.9% were cancelled (1,931 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.