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(DL) Delta Air Lines 3634 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(LAX) Los Angeles International Airport

Los Angeles, CA, US

(SJC) San Jose Mineta International Airport

San Jose, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
57
93%
Late
0
0%
Very Late
1
2%
Excessive
2
3%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
7
Codeshares
60
Average Delay (min.)
55.57142857142857
Standard Deviation
103.4
Min
0
Max
286

DL 3634 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 95%
Average Delay Time 55.57142857142857 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 54% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 95%
This flight has an on-time performance of 95%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
0.5 of 5
Very Poor
Average Delay Time 55.57142857142857 min
This flight has an average delay of 55.57142857142857 minutes with a standard deviation of 103.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.

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