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(UA) United Airlines 277 On-Time Performance Rating

Date Range:

01-Mar-2025 to 30-Apr-2025

(ONT) Ontario International Airport

Ontario, CA, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
55
90%
Late
3
5%
Very Late
1
2%
Excessive
2
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
15
Codeshares
0
Average Delay (min.)
46.2
Standard Deviation
120
Min
0
Max
477

UA 277 On-Time Performance Details

Overall Rating
2.8 of 5
Average
Percentage On-Time 90%
Average Delay Time 46.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.8 shows that this flight has on-time performance characteristics better than 54% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 46.2 min
This flight has an average delay of 46.2 minutes with a standard deviation of 120 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.

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