Schedule: a typical summer Friday (the flights of Jul 31, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

SOUTHWEST · FLIGHT WN 1405 SCHEDULED · TYPICAL SCHEDULE
Today

WN 1405 · MDW → BOS

departs 9:20 AM CT · arrives 12:40 PM ET
Forecast issued Fri 10:00 AM ET · 0h before departure

Odds over time

Arrive at BOS more than 15 minutes late?
13% chance · ±0 pts +0 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 3.5d 2d 1d 12h 6h Departs Lands

How late will it get to BOS?

  1. On time or early
    87%
  2. 15–30 min late
    5%
  3. 30 min–1 hour late
    3%
  4. 1–2 hours late
    3%
  5. Over 2 hours late
    1%
  6. Cancelled
    <1%

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