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(DL) Delta Air Lines 4970 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(GSP) Greenville-Spartanburg International Airport

Greenville, SC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
21
68%
Late
3
10%
Very Late
1
3%
Excessive
5
16%
Cancelled
0
0%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
30
Total Delays ( > 1 min )
14
Codeshares
30
Average Delay (min.)
36.785714285714285
Standard Deviation
40.5
Min
0
Max
140

DL 4970 On-Time Performance Details

Overall Rating
1.6 of 5
Average
Percentage On-Time 70%
Average Delay Time 36.785714285714285 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.6 shows that this flight has on-time performance characteristics better than 30% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 70%
This flight has an on-time performance of 70%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
1.9 of 5
Average
Average Delay Time 36.785714285714285 min
This flight has an average delay of 36.785714285714285 minutes with a standard deviation of 40.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 38% of other flights.

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