background

(4Z) Airlink 771 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(JNB) Johannesburg O.R. Tambo International Airport

Johannesburg, ZA

(SIS) Sishen Airport

Sishen, ZA

On-Time Performance Chart

(using rounded numbers)
On-Time
20
83%
Late
1
4%
Very Late
0
0%
Excessive
2
8%
Cancelled
0
0%
Diverted
1
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
23
Total Delays ( > 1 min )
10
Codeshares
0
Average Delay (min.)
42.3
Standard Deviation
85.7
Min
0
Max
273

4Z 771 On-Time Performance Details

Overall Rating
3.2 of 5
Average
Percentage On-Time 87%
Average Delay Time 42.3 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.2 shows that this flight has on-time performance characteristics better than 63% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 93% of other flights.
Delay Performance
1.7 of 5
Average
Average Delay Time 42.3 min
This flight has an average delay of 42.3 minutes with a standard deviation of 85.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.