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(DL) Delta Air Lines 9170 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-2026

(AMS) Amsterdam Schiphol Airport

Amsterdam, NL

(BLQ) Bologna Guglielmo Marconi Airport

Bologna, IT

On-Time Performance Chart

(using rounded numbers)
On-Time
35
69%
Late
10
20%
Very Late
5
10%
Excessive
1
2%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
51
Total Delays ( > 1 min )
32
Codeshares
51
Average Delay (min.)
18.25
Standard Deviation
13.5
Min
0
Max
48

DL 9170 On-Time Performance Details

Overall Rating
3.0 of 5
Average
Percentage On-Time 69%
Average Delay Time 18.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3 shows that this flight has on-time performance characteristics better than 59% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 69%
This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
4.8 of 5
Very Good
Average Delay Time 18.25 min
This flight has an average delay of 18.25 minutes with a standard deviation of 13.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 96% of other flights.

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