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(UA) United Airlines 777 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

On-Time Performance Chart

(using rounded numbers)
On-Time
42
66%
Late
5
8%
Very Late
2
3%
Excessive
12
19%
Cancelled
0
0%
Diverted
3
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
27
Codeshares
0
Average Delay (min.)
48.96296296296296
Standard Deviation
49.5
Min
0
Max
189

UA 777 On-Time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 69%
Average Delay Time 48.96296296296296 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 6% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 69%
This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 5% of other flights.
Delay Performance
0.4 of 5
Very Poor
Average Delay Time 48.96296296296296 min
This flight has an average delay of 48.96296296296296 minutes with a standard deviation of 49.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 8% of other flights.

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