background

(NZ) Air New Zealand 6644 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
54
92%
Late
1
2%
Very Late
1
2%
Excessive
1
2%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
5
Codeshares
58
Average Delay (min.)
33.2
Standard Deviation
38.8
Min
0
Max
100

NZ 6644 On-Time Performance Details

Overall Rating
3.7 of 5
Good
Percentage On-Time 93%
Average Delay Time 33.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.7 shows that this flight has on-time performance characteristics better than 72% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 93%
This flight has an on-time performance of 93%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 33.2 min
This flight has an average delay of 33.2 minutes with a standard deviation of 38.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.