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(UA) United Airlines 1237 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
4
36%
Late
2
18%
Very Late
2
18%
Excessive
3
27%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
11
Total Delays ( > 1 min )
8
Codeshares
0
Average Delay (min.)
53.25
Standard Deviation
57.9
Min
0
Max
187

UA 1237 On-Time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 36%
Average Delay Time 53.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 7% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 36%
This flight has an on-time performance of 36%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 53.25 min
This flight has an average delay of 53.25 minutes with a standard deviation of 57.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.

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