AA3977American Airlines · ORD → DTW
live · 24m ago
Route confirmed American Airlines

AA3977 ChicagoORD · 10:30 DetroitDTW · 13:00

AA3977 by American Airlines flies from Chicago (ORD) to Detroit (DTW) for the Fri, Oct 16 departure.

Right nowScheduled · gate H8 · as of 07:49
10:30

departs ORD · on schedule

Typical gate push−5 minmedian posted departure
Typical arrival−9 minmedian over 6 operations
Wins back in air~4 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 6 operations · gate push → arrival
0+30+60+90 min
10-16
−8 arrival
10-15
−2 gate · −8 arrival
10-14
−9 gate · −29 arrival
10-13
−1 gate · −9 arrival
10-12
−5 gate · −33 arrival
10-11
−5 gate · −21 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival −9 min · 0 cancelled · 6 operations tracked

The route today

live boards
ORDChicagoModerate riskORD delay board →
DTWDetroitOn-time likelyDTW delay board →
ORD→DTWevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
37%Chance of 15+ min delay
1.3%Chance of cancellation
+19 minAvg hub delay right now

Driven mainly by ORD (Chicago), currently flying MVFR (marginal visual). For this route and airline, under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Chicago to Detroit flights today

same route · American Airlines
AA9920departs 06:45
AA4103departs 06:59
AA6244departs 13:34
AA3980departs 13:39
AA4105departs 17:29
AA4885departs 18:50

If AA3977 is cancelled, these are the other American Airlines nonstop flights from Chicago to Detroit on the same day, with scheduled departure times in ORD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How AA3977 actually runs

Pro Flight Search has tracked every published board update for AA3977 across the ORD and DTW boards: schedule changes, gate pushes and actual clocks. Usually lands ~9 min early. Based on 5 confirmed landings · 5/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how AA3977 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-16ORD 10:30DTW 13:00 12:52 (−8)
10-15ORD 10:30 10:28 (−2)DTW 13:00 12:52 (−8)
10-14ORD 10:30 10:21 (−9)DTW 13:00 12:31 (−29)
10-13ORD 10:30 10:29 (−1)DTW 13:00 12:51 (−9)
10-12ORD 10:30 10:25 (−5)DTW 13:00 12:27 (−33)
10-11ORD 10:30 10:25 (−5)DTW 13:00 12:39 (−21)

Aircraft

Recent tails: N267NN, N225NN, N258NN.

Board clocks recorded as ORD and DTW published them.

Planning around AA3977? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — AA3977 Chicago to Detroit on-time performance, measured from the ORD and DTW airport boards.

Canonical URL
https://proflightsearch.com/flight/AA3977
How we measure this →