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(UA) United Airlines 52 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(ZRH) Zurich Airport

Zurich, CH

On-Time Performance Chart

(using rounded numbers)
On-Time
51
82%
Late
2
3%
Very Late
0
0%
Excessive
5
8%
Cancelled
2
3%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
19
Codeshares
0
Average Delay (min.)
48.05263157894737
Standard Deviation
88.9
Min
0
Max
308

UA 52 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 85%
Average Delay Time 48.05263157894737 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
4.8 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 96% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 48.05263157894737 min
This flight has an average delay of 48.05263157894737 minutes with a standard deviation of 88.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.