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(DL) Delta Air Lines 391 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(RNO) Reno-Tahoe International Airport

Reno, NV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
37
66%
Late
9
16%
Very Late
1
2%
Excessive
7
13%
Cancelled
0
0%
Diverted
2
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
54
Total Delays ( > 1 min )
31
Codeshares
0
Average Delay (min.)
27.483870967741936
Standard Deviation
28.8
Min
0
Max
135

DL 391 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 69%
Average Delay Time 27.483870967741936 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 56% of all other flights in the FlightStats database.
On-Time Performance Rating
1.5 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 31% of other flights.
Delay Performance
4.2 of 5
Good
Average Delay Time 27.483870967741936 min
This flight has an average delay of 27.483870967741936 minutes with a standard deviation of 28.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.

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