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

Date Range:

01-Nov-2025 to 31-Dec-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(MSP) Minneapolis-Saint Paul International Airport

Minneapolis, MN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
15
47%
Late
6
19%
Very Late
2
6%
Excessive
6
19%
Cancelled
3
9%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
32
Total Delays ( > 1 min )
17
Codeshares
0
Average Delay (min.)
54.588235294117645
Standard Deviation
65.6
Min
0
Max
269

DL 631 On-Time Performance Details

Overall Rating
0.3 of 5
Very Poor
Percentage On-Time 47%
Average Delay Time 54.588235294117645 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
0.0 of 5
Very Poor
Percentage On-Time 47%
This flight has an on-time performance of 47%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.5 of 5
Very Poor
Average Delay Time 54.588235294117645 min
This flight has an average delay of 54.588235294117645 minutes with a standard deviation of 65.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.

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