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(DL) Delta Air Lines 4446 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

(BOI) Boise Air Terminal

Boise, ID, US

On-Time Performance Chart

(using rounded numbers)
On-Time
35
90%
Late
3
8%
Very Late
0
0%
Excessive
1
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
39
Total Delays ( > 1 min )
7
Codeshares
39
Average Delay (min.)
39.285714285714285
Standard Deviation
69.2
Min
0
Max
195

DL 4446 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 90%
Average Delay Time 39.285714285714285 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 64% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
1.7 of 5
Average
Average Delay Time 39.285714285714285 min
This flight has an average delay of 39.285714285714285 minutes with a standard deviation of 69.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.