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(DL) Delta Air Lines 7551 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(NBO) Nairobi Jomo Kenyatta International Airport

Nairobi, KE

(DAR) Dar es Salaam Julius Nyerere International Airport

Dar Es Salaam, TZ

On-Time Performance Chart

(using rounded numbers)
On-Time
23
77%
Late
3
10%
Very Late
1
3%
Excessive
3
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
30
Total Delays ( > 1 min )
16
Codeshares
30
Average Delay (min.)
39
Standard Deviation
76.6
Min
0
Max
312

DL 7551 On-Time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 77%
Average Delay Time 39 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 39% of all other flights in the FlightStats database.
On-Time Performance Rating
2.3 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 46% of other flights.
Delay Performance
1.7 of 5
Average
Average Delay Time 39 min
This flight has an average delay of 39 minutes with a standard deviation of 76.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.