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(DL) Delta Air Lines 6251 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(GRU) Sao Paulo-Guarulhos International Airport

Sao Paulo, SP, BR

(POA) Porto Alegre Salgado Filho International Airport

Porto Alegre, RS, BR

On-Time Performance Chart

(using rounded numbers)
On-Time
42
76%
Late
10
18%
Very Late
1
2%
Excessive
2
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
55
Total Delays ( > 1 min )
30
Codeshares
55
Average Delay (min.)
15.233333333333333
Standard Deviation
13.5
Min
0
Max
54

DL 6251 On-Time Performance Details

Overall Rating
3.8 of 5
Good
Percentage On-Time 76%
Average Delay Time 15.233333333333333 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.8 shows that this flight has on-time performance characteristics better than 74% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 of 5
Average
Percentage On-Time 76%
This flight has an on-time performance of 76%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.
Delay Performance
4.8 of 5
Very Good
Average Delay Time 15.233333333333333 min
This flight has an average delay of 15.233333333333333 minutes with a standard deviation of 13.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 96% of other flights.

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