background

(DL) Delta Air Lines 1121 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(PSC) Tri-Cities Airport

Pasco, WA, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
24
86%
Late
0
0%
Very Late
0
0%
Excessive
3
11%
Cancelled
1
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
28
Total Delays ( > 1 min )
5
Codeshares
0
Average Delay (min.)
99.6
Standard Deviation
123
Min
0
Max
305

DL 1121 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 86%
Average Delay Time 99.6 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 47% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 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 95% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 99.6 min
This flight has an average delay of 99.6 minutes with a standard deviation of 123 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.

Other Stops for DL 1121