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(UA) United Airlines 1870 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(SFO) San Francisco International Airport

San Francisco, CA, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
46
75%
Late
8
13%
Very Late
3
5%
Excessive
3
5%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
22
Codeshares
0
Average Delay (min.)
23.272727272727273
Standard Deviation
18.5
Min
0
Max
65

UA 1870 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 77%
Average Delay Time 23.272727272727273 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 64% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 23.272727272727273 min
This flight has an average delay of 23.272727272727273 minutes with a standard deviation of 18.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.

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