Was AA3977 delayed today?
Detroit → Chicago O'Hare · Sat 31 Oct · American Airlines
updated Detroit time
No. It landed on time.
Left13:3113:17
Landed14:0513:38
measured · the Detroit board and the Chicago board
How it left 14 minutes early
A usual afternoonAA3977's typical departure, last 90 days1
Your plane, probablyIt usually comes in as AA3977 from Chicago, due 13:000
On time on the board so farDetroit departures board−1
Made up on the dayBeyond what we expected 30 minutes before departure−14
Left DetroitMeasured, from the board and aircraft positions−14
Made up in the air−13
LandedMeasured, from the arrivals board−27
Last 90 days
57on time
3late
1very late
1cancelled
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AA3977 Detroit to Chicago left within 15 minutes of schedule on 57 of its last 62 flights, usually on time, and 15 minutes or more late on 4. It was cancelled once.