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(UA) United Airlines 2634 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
39
85%
Late
2
4%
Very Late
3
7%
Excessive
1
2%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
46
Total Delays ( > 1 min )
16
Codeshares
0
Average Delay (min.)
17.3125
Standard Deviation
21.8
Min
0
Max
85

UA 2634 On-Time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 85%
Average Delay Time 17.3125 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 90% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 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 95% of other flights.
Delay Performance
4.4 of 5
Good
Average Delay Time 17.3125 min
This flight has an average delay of 17.3125 minutes with a standard deviation of 21.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.