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(DL) Delta Air Lines 1238 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

(PDX) Portland International Airport

Portland, OR, US

On-Time Performance Chart

(using rounded numbers)
On-Time
16
76%
Late
1
5%
Very Late
1
5%
Excessive
1
5%
Cancelled
2
10%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
21
Total Delays ( > 1 min )
9
Codeshares
0
Average Delay (min.)
26.77777777777778
Standard Deviation
51.2
Min
0
Max
161

DL 1238 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 76%
Average Delay Time 26.77777777777778 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 55% of all other flights in the FlightStats database.
On-Time Performance Rating
2.3 of 5
Average
Percentage On-Time 76%
This flight has an on-time performance of 76%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 46% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 26.77777777777778 min
This flight has an average delay of 26.77777777777778 minutes with a standard deviation of 51.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.