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(DL) Delta Air Lines 631 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-2025

(GSP) Greenville-Spartanburg International Airport

Greenville, SC, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
15
94%
Late
0
0%
Very Late
0
0%
Excessive
0
0%
Cancelled
1
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
16
Total Delays ( > 1 min )
2
Codeshares
0
Average Delay (min.)
6.5
Standard Deviation
4.9
Min
0
Max
10

DL 631 On-Time Performance Details

Overall Rating
4.4 of 5
Good
Percentage On-Time 94%
Average Delay Time 6.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.4 shows that this flight has on-time performance characteristics better than 86% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 94%
This flight has an on-time performance of 94%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 97% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 6.5 min
This flight has an average delay of 6.5 minutes with a standard deviation of 4.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.

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