Schedule: the flights that flew on Monday, Oct 19, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

AIR CANADA · FLIGHT AC 771 SCHEDULED · TYPICAL SCHEDULE
Yesterday

AC 771 · BOS → YYZ

departs 12:47 PM ET · arrives 2:34 PM EDT
Forecast issued Mon 11:00 PM ET · 10h after departure

Odds over time

Arrive at YYZ more than 15 minutes late?
14% chance · ±0 pts +3 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
MOSTLY HISTORY WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 6.5d 2d 1d 12h 6h Departs Lands

How late will it get to YYZ?

  1. On time or early
    85%
  2. 15–30 min late
    1%
  3. 30 min–1 hour late
    8%
  4. 1–2 hours late
    3%
  5. Over 2 hours late
    2%
  6. Cancelled
    1%

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