background

(CZ) China Southern Airlines 7237 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(EDI) Edinburgh Airport

Edinburgh, SC, GB

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
20
67%
Late
2
7%
Very Late
4
13%
Excessive
3
10%
Cancelled
1
3%
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.)
30.9375
Standard Deviation
30.5
Min
0
Max
91

CZ 7237 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 67%
Average Delay Time 30.9375 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 29% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 7% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 30.9375 min
This flight has an average delay of 30.9375 minutes with a standard deviation of 30.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.