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(DL) Delta Air Lines 6539 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(PVG) Shanghai Pudong International Airport

Shanghai, CN

(URC) Urumqi Diwopu International Airport

Urumqi, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
51
84%
Late
1
2%
Very Late
2
3%
Excessive
7
11%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
10
Codeshares
61
Average Delay (min.)
81.3
Standard Deviation
48.8
Min
0
Max
180

DL 6539 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 84%
Average Delay Time 81.3 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 49% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 81.3 min
This flight has an average delay of 81.3 minutes with a standard deviation of 48.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.