background

(UA) United Airlines 51 On-Time Performance Rating

Date Range:

01-Sep-2026 to 31-Oct-2026

(EWR) Newark Liberty International Airport

Newark, NJ, US

(MAD) Adolfo Suarez Madrid-Barajas Airport

Madrid, SP, ES

On-Time Performance Chart

(using rounded numbers)
On-Time
52
87%
Late
0
0%
Very Late
1
2%
Excessive
5
8%
Cancelled
2
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
53.27272727272727
Standard Deviation
48.6
Min
0
Max
135

UA 51 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 87%
Average Delay Time 53.27272727272727 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 51% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
0.4 of 5
Very Poor
Average Delay Time 53.27272727272727 min
This flight has an average delay of 53.27272727272727 minutes with a standard deviation of 48.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 8% of other flights.