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(PW) Precision Air 4491 On-Time Performance Rating

Date Range:

15-Jul-2026 to 15-Sep-2026

(ZNZ) Abeid Amani Karume International Airport

Zanzibar, TZ

(NBO) Nairobi Jomo Kenyatta International Airport

Nairobi, KE

On-Time Performance Chart

(using rounded numbers)
On-Time
42
75%
Late
6
11%
Very Late
0
0%
Excessive
7
13%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
23
Codeshares
56
Average Delay (min.)
47.69565217391305
Standard Deviation
70.4
Min
0
Max
267

PW 4491 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 75%
Average Delay Time 47.69565217391305 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 40% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 66% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 47.69565217391305 min
This flight has an average delay of 47.69565217391305 minutes with a standard deviation of 70.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.