tailodds FORECAST

Schedule: a typical Friday (the flights of Jul 31, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

SOUTHWEST · FLIGHT WN 4129 SCHEDULED · TYPICAL ODDS

WN 4129 · DAL → PHX

departs 3:20 PM CT · arrives 3:45 PM MT
Forecast issued Mon 10:00 PM ET · 90h before departure

Typical odds Too early for a weather forecast — these are typical odds for this flight on a Friday in October, from the weather this date has had in past years (the range shows how much they varied). They’ll switch to forecast-based odds about 3 days before departure.

Arrive at PHX more than 15 minutes late?
31% chance · ±7 pts – · 24h
HOW SURE WE ARE Low. This is mostly a starting point from history; weather forecasts haven't kicked in yet.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% Now 2d 1d 12h 6h Departs Lands

How late will it get to PHX?

  1. On time or early
    69%
  2. 15 min–1 hour late
    24%
  3. Over 1 hour late
    6%
  4. Cancelled
    <1%

Gate arrival compared with the scheduled arrival. The ranges add up to 100%.