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(DL) Delta Air Lines 2173 On-Time Performance Rating

Date Range:

01-Feb-2026 to 31-Mar-2026

(BOI) Boise Air Terminal

Boise, ID, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
50
86%
Late
5
9%
Very Late
1
2%
Excessive
1
2%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
19
Codeshares
0
Average Delay (min.)
29.263157894736842
Standard Deviation
76.4
Min
0
Max
343

DL 2173 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 86%
Average Delay Time 29.263157894736842 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 78% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 86%
This flight has an on-time performance of 86%. 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
3.1 of 5
Average
Average Delay Time 29.263157894736842 min
This flight has an average delay of 29.263157894736842 minutes with a standard deviation of 76.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.