UA311 United Airlines - Flight Status

Codeshare Flights
The flight TP8512 from TAP Air Portugal (TP) is a codeshare flight operated by United Airlines (UA) under the flight number UA311. Check this page for details about flight UA311.

Below, you can find details about United Airlines flight UA311, which currently operates between the airports of Newark - Newark Liberty International Airport (Airport Code EWR) and Boston - Boston Logan International Airport (Airport Code BOS).
This flight data pertains specifically to the flight's details for Tuesday, December 16, 2025.

UA311 On Time performance:
100
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

UA311 United Airlines to Boston

Scheduled - On-time
Flight Status for Tuesday December 16, 2025
This flight was also scheduled for Yesterday (December 14, 2025). See it here
This flight is also scheduled for Today (December 15, 2025). See it here

Airline information

United Airlines
United Airlines
Equipment: Boeing 737-900 (winglets) Passenger/BBJ3

Departure

Newark (EWR)
December 16, 2025
Newark Liberty International Airport
Estimated Departure Time:
06:30 am
Terminal:
C
Gate:
C83
Scheduled Departure Time: 06:30 am

Arrival

Boston (BOS)
December 16, 2025
Boston Logan International Airport
Estimated Arrival Time:
07:39 am
Terminal:
B
Gate:
-
Scheduled Arrival Time: 07:39 am
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.airport-ewr.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Codeshare Flights

This flight is shared with other airlines, this means that these other flights are the same:

- TP8512 - TAP Air Portugal

Additional Information

Which is the frequency of flight UA311?
The flight UA311 is scheduled to flight on Monday, Tuesday, Wednesday, Thursday, Friday, Sunday on a weekly basis.

Which is the distance of flight UA311?
The distance between the two airports is 200 miles.

Which is the flight time of flight UA311?
The scheduled flight time gate to gate is: 01:09 hours.
The real flight time gate to gate on average is: 01:03 hours.

Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.

Alternative Flights

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

Delta Air Lines
- Flight Number: DL5718. (On Time performance: 55 - Average Delay: 29 minutes)
- Flight Number: DL5835. (On Time performance: 86 - Average Delay: 9 minutes)
- Flight Number: DL5841. (On Time performance: 48 - Average Delay: 42 minutes)

FedEx
- Flight Number: FX1989. (On Time performance: 96 - Average Delay: 3 minutes)

Mountain Air Cargo
- Flight Number: MTN8310. (On Time performance: 25 - Average Delay: 68 minutes)
- Flight Number: MTN8975. (On Time performance: 46 - Average Delay: 79 minutes)

United Airlines
- Flight Number: UA1074. (On Time performance: 100 - Average Delay: 1 minutes)
- Flight Number: UA1134. (On Time performance: 100 - Average Delay: 0 minutes)
- Flight Number: UA1386. (On Time performance: 62 - Average Delay: 28 minutes)
- Flight Number: UA1701. (On Time performance: 53 - Average Delay: 45 minutes)
- Flight Number: UA2001. (On Time performance: 55 - Average Delay: 42 minutes)
- Flight Number: UA2630. (On Time performance: 65 - Average Delay: 49 minutes)
- Flight Number: UA278. (On Time performance: 54 - Average Delay: 47 minutes)
- Flight Number: UA298. (On Time performance: 82 - Average Delay: 15 minutes)
- Flight Number: UA375. (On Time performance: 64 - Average Delay: 19 minutes)
- Flight Number: UA414. (On Time performance: 77 - Average Delay: 14 minutes)
- Flight Number: UA577. (On Time performance: 63 - Average Delay: 39 minutes)
- Flight Number: UA593. (On Time performance: 72 - Average Delay: 21 minutes)
- Flight Number: UA672. (On Time performance: 100 - Average Delay: 0 minutes)

Punctuality and delays

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

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from December 02, 2025 to December 09, 2025, we have obtained these figures.
Total number of flights: 7
On Time: 7 ( 100 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 0 minutes.
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions

Last Past Flights UA311

Date
Departure
Arrival
Duration
Aircraft
Status
Sunday
14 December
07:05 am
Newark (EWR)
08:52 am
Boston (BOS)
01h 47min
Boeing 737MAX
Boeing 737MAX
Landed - Delayed
Friday
12 December
06:22 am
Newark (EWR)
07:21 am
Boston (BOS)
00h 59min
Boeing 737-900
Boeing 737-900
Landed - On-time
Thursday
11 December
06:24 am
Newark (EWR)
07:24 am
Boston (BOS)
01h 00min
Boeing 737-900
Boeing 737-900
Landed - On-time
Wednesday
10 December
06:32 am
Newark (EWR)
07:39 am
Boston (BOS)
01h 07min
Boeing 737-900
Boeing 737-900
Landed - On-time
Tuesday
09 December
06:28 am
Newark (EWR)
07:29 am
Boston (BOS)
01h 01min
Boeing 737-900
Boeing 737-900
Landed - On-time
Monday
08 December
06:23 am
Newark (EWR)
07:21 am
Boston (BOS)
00h 58min
Boeing 737-900
Boeing 737-900
Landed - On-time
Sunday
07 December
06:23 am
Newark (EWR)
07:33 am
Boston (BOS)
01h 10min
Boeing 737MAX
Boeing 737MAX
Landed - On-time
Friday
05 December
06:32 am
Newark (EWR)
07:36 am
Boston (BOS)
01h 04min
Boeing 737-900
Boeing 737-900
Landed - On-time
Thursday
04 December
06:27 am
Newark (EWR)
07:34 am
Boston (BOS)
01h 07min
Boeing 737-900
Boeing 737-900
Landed - On-time
Wednesday
03 December
06:27 am
Newark (EWR)
07:33 am
Boston (BOS)
01h 06min
Boeing 737-900
Boeing 737-900
Landed - On-time