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(DL) Delta Air Lines 3863 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
23
64%
Late
3
8%
Very Late
4
11%
Excessive
6
17%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
36
Total Delays ( > 1 min )
22
Codeshares
36
Average Delay (min.)
50.18181818181818
Standard Deviation
84.1
Min
0
Max
382

DL 3863 On-Time Performance Details

Overall Rating
0.3 of 5
Very Poor
Percentage On-Time 64%
Average Delay Time 50.18181818181818 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.3 shows that this flight has on-time performance characteristics better than 4% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 64%
This flight has an on-time performance of 64%. 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
0.4 of 5
Very Poor
Average Delay Time 50.18181818181818 min
This flight has an average delay of 50.18181818181818 minutes with a standard deviation of 84.1 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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