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

Date Range:

15-Mar-2026 to 15-May-2026

(EDI) Edinburgh Airport

Edinburgh, SC, GB

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
30
77%
Late
4
10%
Very Late
2
5%
Excessive
2
5%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
39
Total Delays ( > 1 min )
12
Codeshares
39
Average Delay (min.)
26
Standard Deviation
17.1
Min
0
Max
61

CZ 7237 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 77%
Average Delay Time 26 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 51% of all other flights in the FlightStats database.
On-Time Performance Rating
1.9 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 38% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 26 min
This flight has an average delay of 26 minutes with a standard deviation of 17.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.