UA521 · UAL521

Flight number
UA521
Callsign
UAL521
Airline
United Airlines (UAL)

UAL521 is on the live map with its position, altitude and speed. Once the flight lands, it gets its own record here with observed take-off and landing times.

UAL521 over the last 30 days

UAL521 is operated by United Airlines on the route George Bush Intercontinental Airport (IAH/KIAH) → Boston Logan International Airport (BOS/KBOS). It usually takes off around 00:35 UTC (19:35 local time, IAH). It usually lands around 03:51 UTC (23:51 local time, BOS). Most frequent aircraft type: BOEING 737 MAX 9 (B39M).

Days with an observed flight (last 30 days)
24/30
Days of the week with an observed flight
Mon, Tue, Wed, Thu, Fri, Sun
Typical take-off
00:35 UTC · 19:35 local time (IAH)
Typical landing
03:51 UTC · 23:51 local time (BOS)
Typical time airborne
192 min
Median departure deviation from the usual time on this route
+9 min
Departures within 15 minutes of the usual time
70 %
Departures measured
37

Our measurement against the usual departure time of the route, from our own observations over the last 28 days; the figures cover all flights of this airline on the route.

Aircraft types on this flight (last 30 days)

Aircraft in the last 7 days

  • N76517 · BOEING 737-800
  • N73299 · BOEING 737-800
  • N853UA · AIRBUS A-319
  • N17335 · BOEING 737 MAX 8
  • N441UA · AIRBUS A-320
  • N17433 · BOEING 737 MAX 9

Previous flights of UAL521

Source: observations by the map.flights community network of ADS-B receivers; times in UTC.