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(UA) United Airlines 5590 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(SFO) San Francisco International Airport

San Francisco, CA, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
41
80%
Late
3
6%
Very Late
2
4%
Excessive
4
8%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
50
Total Delays ( > 1 min )
15
Codeshares
50
Average Delay (min.)
30.333333333333332
Standard Deviation
26.9
Min
0
Max
78

UA 5590 On-Time Performance Details

Overall Rating
3.2 of 5
Average
Percentage On-Time 82%
Average Delay Time 30.333333333333332 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.2 shows that this flight has on-time performance characteristics better than 62% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 30.333333333333332 min
This flight has an average delay of 30.333333333333332 minutes with a standard deviation of 26.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.