Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
AA 3977 · Detroit (DTW) → Chicago (ORD)
Sold by American, flown by Envoy. Not in the Jun 6 – Jul 31, 2026 schedule; last flew 2025-09-02.
Arrives on time91%within 15 minutes, of 24 flights
Cancelled4.2%of scheduled flights
An hour or more late4%of flights that operated
When late, on average68 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Chicago is 1 h behind Detroit).
- Leaves DTW
- 13:02
- Arrives ORD
- 13:34
- Flight time
- 1h 32m
- Days flown, last 8 weeks
- 0 of 56
Each square is a day, Sat Jun 6 to Fri Jul 31, two weeks per row (each column is the same weekday); filled = flew.
How late it arrives
Share of flights that operated arriving more than this late.
Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.
Its hour at DTW
All flights leaving Detroit (DTW) at 1–2 pm, wherever they’re going: 74% left within 15 minutes and 1.2% were cancelled (2,798 flights in the year). Other American flights on this route →
Upcoming forecasts
Our odds that this flight is late or cancelled on the days we publish.