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(NZ) Air New Zealand 9178 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
39
62%
Late
9
14%
Very Late
5
8%
Excessive
5
8%
Cancelled
2
3%
Diverted
3
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
32
Codeshares
60
Average Delay (min.)
39.84375
Standard Deviation
63
Min
0
Max
301

NZ 9178 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 65%
Average Delay Time 39.84375 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 11% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 65%
This flight has an on-time performance of 65%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 2% of other flights.
Delay Performance
1.1 of 5
Poor
Average Delay Time 39.84375 min
This flight has an average delay of 39.84375 minutes with a standard deviation of 63 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.