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(DL) Delta Air Lines 4139 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(IND) Indianapolis International Airport

Indianapolis, IN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
2
40%
Late
0
0%
Very Late
0
0%
Excessive
2
40%
Cancelled
1
20%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
5
Total Delays ( > 1 min )
3
Codeshares
5
Average Delay (min.)
190
Standard Deviation
182
Min
0
Max
364

DL 4139 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 40%
Average Delay Time 190 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 40%
This flight has an on-time performance of 40%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 3% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 190 min
This flight has an average delay of 190 minutes with a standard deviation of 182 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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