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(UA) United Airlines 1851 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(BTV) Patrick Leahy Burlington International Airport

Burlington, VT, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
42
88%
Late
3
6%
Very Late
0
0%
Excessive
1
2%
Cancelled
0
0%
Diverted
2
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
46
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
14.923076923076923
Standard Deviation
13
Min
0
Max
51

UA 1851 On-Time Performance Details

Overall Rating
4.7 of 5
Very Good
Percentage On-Time 91%
Average Delay Time 14.923076923076923 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.7 shows that this flight has on-time performance characteristics better than 93% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 91%
This flight has an on-time performance of 91%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
4.4 of 5
Good
Average Delay Time 14.923076923076923 min
This flight has an average delay of 14.923076923076923 minutes with a standard deviation of 13 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.

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