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(UA) United Airlines 1251 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-2026

(ORF) Norfolk International Airport

Norfolk, VA, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
34
65%
Late
1
2%
Very Late
6
12%
Excessive
11
21%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
32
Codeshares
0
Average Delay (min.)
43.8125
Standard Deviation
64.2
Min
0
Max
338

UA 1251 On-Time Performance Details

Overall Rating
0.3 of 5
Very Poor
Percentage On-Time 65%
Average Delay Time 43.8125 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.3 shows that this flight has on-time performance characteristics better than 5% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 65%
This flight has an on-time performance of 65%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
0.5 of 5
Very Poor
Average Delay Time 43.8125 min
This flight has an average delay of 43.8125 minutes with a standard deviation of 64.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.

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