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(UA) United Airlines 1131 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(BOS) Boston Logan International Airport

Boston, MA, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
5
42%
Late
3
25%
Very Late
1
8%
Excessive
2
17%
Cancelled
0
0%
Diverted
1
8%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
11
Total Delays ( > 1 min )
8
Codeshares
0
Average Delay (min.)
31.125
Standard Deviation
24.4
Min
0
Max
82

UA 1131 On-Time Performance Details

Overall Rating
1.4 of 5
Poor
Percentage On-Time 46%
Average Delay Time 31.125 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.4 shows that this flight has on-time performance characteristics better than 26% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 46%
This flight has an on-time performance of 46%. 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
2.7 of 5
Average
Average Delay Time 31.125 min
This flight has an average delay of 31.125 minutes with a standard deviation of 24.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

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