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(DL) Delta Air Lines 1230 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(MEM) Memphis International Airport

Memphis, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
49
79%
Late
1
2%
Very Late
1
2%
Excessive
7
11%
Cancelled
2
3%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
16
Codeshares
0
Average Delay (min.)
49.625
Standard Deviation
56.4
Min
0
Max
176

DL 1230 On-Time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 82%
Average Delay Time 49.625 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 38% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 69% of other flights.
Delay Performance
0.4 of 5
Very Poor
Average Delay Time 49.625 min
This flight has an average delay of 49.625 minutes with a standard deviation of 56.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 8% of other flights.