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(DL) Delta Air Lines 3984 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(GRB) Green Bay Austin Straubel International Airport

Green Bay, WI, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
34
79%
Late
2
5%
Very Late
2
5%
Excessive
4
9%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
42
Total Delays ( > 1 min )
14
Codeshares
42
Average Delay (min.)
48.142857142857146
Standard Deviation
70.5
Min
0
Max
236

DL 3984 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 81%
Average Delay Time 48.142857142857146 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 51% of all other flights in the FlightStats database.
On-Time Performance Rating
4.3 of 5
Good
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 86% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 48.142857142857146 min
This flight has an average delay of 48.142857142857146 minutes with a standard deviation of 70.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.

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