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(UA) United Airlines 1958 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

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

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
20
Total Delays ( > 1 min )
5
Codeshares
0
Average Delay (min.)
22.8
Standard Deviation
18
Min
0
Max
47

UA 1958 On-Time Performance Details

Overall Rating
3.4 of 5
Average
Percentage On-Time 80%
Average Delay Time 22.8 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.4 shows that this flight has on-time performance characteristics better than 67% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 69% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 22.8 min
This flight has an average delay of 22.8 minutes with a standard deviation of 18 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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