background

(UA) United Airlines 2634 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-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
48
81%
Late
5
8%
Very Late
0
0%
Excessive
6
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
23
Codeshares
0
Average Delay (min.)
30.652173913043477
Standard Deviation
40.8
Min
0
Max
148

UA 2634 On-Time Performance Details

Overall Rating
3.4 of 5
Average
Percentage On-Time 81%
Average Delay Time 30.652173913043477 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.4 shows that this flight has on-time performance characteristics better than 66% of all other flights in the FlightStats database.
On-Time Performance Rating
3.8 of 5
Good
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 76% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 30.652173913043477 min
This flight has an average delay of 30.652173913043477 minutes with a standard deviation of 40.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.