UA1257 United Airlines - Flight Status

Which is the frequency of flight UA1257?
The flight UA1257 is scheduled to flight on daily basis.

Which is the distance of flight UA1257?
The distance between the two airports is 1732 miles.

Which is the flight time of flight UA1257?
The scheduled flight time gate to gate is: 04:22 hours.
The real flight time gate to gate on average is: 04:53 hours.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Saint Louis: 2026-08-25 17:54:02
Current Time in San Francisco: 2026-08-25 15:54:02

The following airline serve the same route between Saint Louis and San Francisco:
Southwest Airlines - Flight Number: WN4082.

We have gathered data from recent months and present below an analysis of how timely the flights have been.

Delays analyzed by Weekday: We have gathered available data from last six months, spanning from March 05, 2026 to August 16, 2026. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from March 05, 2026 to July 31, 2026. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.