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

Date Range:

01-Mar-2025 to 30-Apr-2025

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

(DTW) Detroit Metropolitan Wayne County Airport

Detroit, MI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
35
81%
Late
2
5%
Very Late
3
7%
Excessive
2
5%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
43
Total Delays ( > 1 min )
15
Codeshares
0
Average Delay (min.)
32.333333333333336
Standard Deviation
41.2
Min
0
Max
129

DL 421 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 81%
Average Delay Time 32.333333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 53% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 66% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 32.333333333333336 min
This flight has an average delay of 32.333333333333336 minutes with a standard deviation of 41.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.

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