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(UA) United Airlines 1377 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

On-Time Performance Chart

(using rounded numbers)
On-Time
5
83%
Late
1
17%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
6
Total Delays ( > 1 min )
3
Codeshares
0
Average Delay (min.)
8.666666666666666
Standard Deviation
7
Min
0
Max
16

UA 1377 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 83%
Average Delay Time 8.666666666666666 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 68% of all other flights in the FlightStats database.
On-Time Performance Rating
3.1 of 5
Average
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 62% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 8.666666666666666 min
This flight has an average delay of 8.666666666666666 minutes with a standard deviation of 7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.

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