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(DL) Delta Air Lines 421 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
50
82%
Late
5
8%
Very Late
1
2%
Excessive
5
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
27
Codeshares
0
Average Delay (min.)
35.44444444444444
Standard Deviation
64.2
Min
0
Max
305

DL 421 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 82%
Average Delay Time 35.44444444444444 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
3.6 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 35.44444444444444 min
This flight has an average delay of 35.44444444444444 minutes with a standard deviation of 64.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

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