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(UA) United Airlines 1858 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
22
88%
Late
0
0%
Very Late
0
0%
Excessive
2
8%
Cancelled
0
0%
Diverted
1
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
24
Total Delays ( > 1 min )
5
Codeshares
0
Average Delay (min.)
55
Standard Deviation
75
Min
0
Max
173

UA 1858 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 92%
Average Delay Time 55 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 53% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 92%
This flight has an on-time performance of 92%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.
Delay Performance
0.7 of 5
Poor
Average Delay Time 55 min
This flight has an average delay of 55 minutes with a standard deviation of 75 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.

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