(UA) United Airlines 1227 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(EWR) Newark Liberty International Airport

Newark, NJ, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)

On-Time

85%

Late

Very Late

Excessive

Cancelled

Diverted

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed

Total Delays ( > 1 min )

Codeshares

Average Delay (min.)

Standard Deviation

30.1

Min

Max

UA 1227 On-Time Performance Details

Overall Rating

3.8 of 5

Good

Percentage On-Time 85%

Average Delay Time 30 min

FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.8 shows that this flight has on-time performance characteristics better than 75% of all other flights in the FlightStats database.

On-Time Performance Rating

4.7 of 5

Very Good

Percentage On-Time 85%

This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.

Delay Performance

2.9 of 5

Average

Average Delay Time 30 min

This flight has an average delay of 30 minutes with a standard deviation of 30.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.