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(DL) Delta Air Lines 3977 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(LEX) Blue Grass Airport

Lexington, KY, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
42
74%
Late
4
7%
Very Late
1
2%
Excessive
8
14%
Cancelled
2
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
57
Total Delays ( > 1 min )
23
Codeshares
57
Average Delay (min.)
49.391304347826086
Standard Deviation
63
Min
0
Max
209

DL 3977 On-Time Performance Details

Overall Rating
1.1 of 5
Poor
Percentage On-Time 74%
Average Delay Time 49.391304347826086 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.1 shows that this flight has on-time performance characteristics better than 20% of all other flights in the FlightStats database.
On-Time Performance Rating
1.7 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 34% of other flights.
Delay Performance
0.4 of 5
Very Poor
Average Delay Time 49.391304347826086 min
This flight has an average delay of 49.391304347826086 minutes with a standard deviation of 63 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 8% of other flights.

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