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(UA) United Airlines 1870 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(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
51
85%
Late
2
3%
Very Late
5
8%
Excessive
1
2%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
24.46153846153846
Standard Deviation
22.3
Min
0
Max
84

UA 1870 On-Time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 85%
Average Delay Time 24.46153846153846 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 80% of all other flights in the FlightStats database.
On-Time Performance Rating
4.6 of 5
Very Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 92% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 24.46153846153846 min
This flight has an average delay of 24.46153846153846 minutes with a standard deviation of 22.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.

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