background

(UA) United Airlines 1259 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(LAS) Las Vegas Harry Reid International Airport

Las Vegas, NV, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
36
97%
Late
0
0%
Very Late
0
0%
Excessive
1
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
37
Total Delays ( > 1 min )
1
Codeshares
0
Average Delay (min.)
91
Standard Deviation
0
Min
0
Max
91

UA 1259 On-Time Performance Details

Overall Rating
2.9 of 5
Average
Percentage On-Time 97%
Average Delay Time 91 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.9 shows that this flight has on-time performance characteristics better than 57% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 97%
This flight has an on-time performance of 97%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 91 min
This flight has an average delay of 91 minutes with a standard deviation of 0 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.

Other Stops for UA 1259