background

(UA) United Airlines 1551 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(EWR) Newark Liberty International Airport

Newark, NJ, US

(GUA) Guatemala City La Aurora International Airport

Guatemala City, GT

On-Time Performance Chart

(using rounded numbers)
On-Time
25
71%
Late
6
17%
Very Late
2
6%
Excessive
2
6%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
12
Codeshares
0
Average Delay (min.)
34.666666666666664
Standard Deviation
39.9
Min
0
Max
147

UA 1551 On-Time Performance Details

Overall Rating
1.5 of 5
Poor
Percentage On-Time 71%
Average Delay Time 34.666666666666664 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.5 shows that this flight has on-time performance characteristics better than 29% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 18% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 34.666666666666664 min
This flight has an average delay of 34.666666666666664 minutes with a standard deviation of 39.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.