UA721 United Airlines - Flight Status

Which is the frequency of flight UA721?
The flight UA721 is scheduled to flight on daily basis.

Which is the distance of flight UA721?
The distance between the two airports is 864 miles.

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 Chicago: 2025-05-09 13:51:05
Current Time in Boston: 2025-05-09 14:51:05

The following airlines serves the same route between Chicago and Boston:

American Airlines
- Flight Number: AA1271.
- Flight Number: AA2837. (On Time performance: 79 - Average Delay: 15 minutes)
- Flight Number: AA3010.
- Flight Number: AA3107. (On Time performance: 83 - Average Delay: 8 minutes)
- Flight Number: AA3160.
- Flight Number: AA3325. (On Time performance: 97 - Average Delay: 2 minutes)
- Flight Number: AA3821. (On Time performance: 97 - Average Delay: 3 minutes)
- Flight Number: AA407.
- Flight Number: AA4336. (On Time performance: 86 - Average Delay: 14 minutes)
- Flight Number: AA4404. (On Time performance: 89 - Average Delay: 5 minutes)
- Flight Number: AA4434. (On Time performance: 79 - Average Delay: 6 minutes)
- Flight Number: AA4486.
- Flight Number: AA4796.
- Flight Number: AA547.
- Flight Number: AA630.

JetBlue
- Flight Number: B61012.
- Flight Number: B6312. (On Time performance: 81 - Average Delay: 14 minutes)
- Flight Number: B6612. (On Time performance: 83 - Average Delay: 37 minutes)

Delta Air Lines
- Flight Number: DL2570. (On Time performance: 77 - Average Delay: 19 minutes)
- Flight Number: DL2679. (On Time performance: 67 - Average Delay: 1 minutes)
- Flight Number: DL2956. (On Time performance: 89 - Average Delay: 6 minutes)
- Flight Number: DL5603. (On Time performance: 60 - Average Delay: 31 minutes)
- Flight Number: DL5638. (On Time performance: 89 - Average Delay: 4 minutes)
- Flight Number: DL971. (On Time performance: 60 - Average Delay: 30 minutes)

United Airlines
- Flight Number: UA1237.
- Flight Number: UA1495. (On Time performance: 80 - Average Delay: 6 minutes)
- Flight Number: UA1532.
- Flight Number: UA1656. (On Time performance: 93 - Average Delay: 2 minutes)
- Flight Number: UA1677.
- Flight Number: UA1989. (On Time performance: 78 - Average Delay: 6 minutes)
- Flight Number: UA2067. (On Time performance: 93 - Average Delay: 5 minutes)
- Flight Number: UA399. (On Time performance: 83 - Average Delay: 10 minutes)
- Flight Number: UA580. (On Time performance: 81 - Average Delay: 13 minutes)
- Flight Number: UA592. (On Time performance: 70 - Average Delay: 22 minutes)

It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Delays analyzed by Weekday: We have gathered available data from last six months, spanning from November 03, 2024 to May 02, 2025. 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 May 02, 2024 to December 02, 2024. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.