(UA) United Airlines 1840 On-Time Performance Rating

Date Range:

01-Mar-2025 to 30-Apr-2025

(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

90%

Late

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

17.4

Standard Deviation

10.9

Min

Max

UA 1840 On-Time Performance Details

Overall Rating

4.1 of 5

Good

Percentage On-Time 91%

Average Delay Time 17.4 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 80% of all other flights in the FlightStats database.

On-Time Performance Rating

4.5 of 5

Good

Percentage On-Time 91%

This flight has an on-time performance of 91%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.

Delay Performance

3.6 of 5

Good

Average Delay Time 17.4 min

This flight has an average delay of 17.4 minutes with a standard deviation of 10.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.