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

Date Range:

01-May-2026 to 30-Jun-2026

(EDI) Edinburgh Airport

Edinburgh, SC, GB

(LHR) London Heathrow Airport

London, EN, GB

On-Time Performance Chart

(using rounded numbers)
On-Time
23
66%
Late
5
14%
Very Late
3
9%
Excessive
3
9%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
20
Codeshares
35
Average Delay (min.)
22.95
Standard Deviation
21
Min
0
Max
69

CZ 7237 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 66%
Average Delay Time 22.95 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
0.2 of 5
Very Poor
Percentage On-Time 66%
This flight has an on-time performance of 66%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 22.95 min
This flight has an average delay of 22.95 minutes with a standard deviation of 21 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.