background

(DL) Delta Air Lines 4637 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(MSP) Minneapolis-Saint Paul International Airport

Minneapolis, MN, US

(RAP) Rapid City Regional Airport

Rapid City, SD, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
82%
Late
1
9%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
1
9%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
10
Total Delays ( > 1 min )
2
Codeshares
10
Average Delay (min.)
11.5
Standard Deviation
4.9
Min
0
Max
15

DL 4637 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 90%
Average Delay Time 11.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 79% of all other flights in the FlightStats database.
On-Time Performance Rating
4.4 of 5
Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 88% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 11.5 min
This flight has an average delay of 11.5 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 73% of other flights.

Other Stops for DL 4637