Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
WN 1230 · Colorado Springs (COS) → Phoenix (PHX)
Sold by Southwest. Still flying: 32 of the last 56 days (Mon, Thu, Fri, Sun).
Arrives on time50%within 15 minutes, of 34 flights
Cancelled0.0%of scheduled flights
An hour or more late18%of flights that operated
When late, on average71 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Phoenix is 1 h behind Colorado Springs).
- Leaves COS
- 14:35
- Arrives PHX
- 15:25
- Flight time
- 1h 50m
- Days flown, last 8 weeks
- 32 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 COS
All flights leaving Colorado Springs (COS) at 2–3 pm, wherever they’re going: 70% left within 15 minutes and 0.6% were cancelled (311 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.