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(UA) United Airlines 611 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
14
67%
Late
5
24%
Very Late
0
0%
Excessive
2
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
21
Total Delays ( > 1 min )
12
Codeshares
0
Average Delay (min.)
32.333333333333336
Standard Deviation
47.3
Min
0
Max
166

UA 611 On-Time Performance Details

Overall Rating
1.7 of 5
Average
Percentage On-Time 67%
Average Delay Time 32.333333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.7 shows that this flight has on-time performance characteristics better than 33% of all other flights in the FlightStats database.
On-Time Performance Rating
0.7 of 5
Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 14% of other flights.
Delay Performance
2.7 of 5
Average
Average Delay Time 32.333333333333336 min
This flight has an average delay of 32.333333333333336 minutes with a standard deviation of 47.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

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