UAL1977

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

George Bush Intercontinental Houston Airport (IAH) — Houston, United States

Departed

2026-09-24 12:37 UTC

Arrival

General Edward Lawrence Logan International Airport (BOS) — Boston, United States

Distance flown

2820 km

Straight-line distance

2568 km

Approach distance

136 km

Aircraft

Registration

N37547

Type

Boeing 737 MAX 9

Seats

179 total (117 Economy, 42 Economy Plus, 20 First)

Altitude & speed

Max altitude

35,000 ft

Max ground speed

502 kt

Tracked

3h 45m · 2,799 km

Altitude (ft, max 35,000)

Ground speed (kt, max 502)

Altitude (ft, max 35,000)

Ground speed (kt, max 502)

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

United Airlines (UAL)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-03 12:46 UTC	UAL1977	IAH → BOS Houston → Boston	N37472	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	2665 km
2026-10-02 12:46 UTC	UAL1977	IAH → BOS Houston → Boston	N17289	Boeing 737 MAX 8	Completed	2832 km
2026-10-01 12:58 UTC	UAL1977	IAH → BOS Houston → Boston	N37508	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	2747 km
2026-09-30 12:38 UTC	UAL1977	IAH → BOS Houston → Boston	N17452	Boeing 737 MAX 9	Completed	2811 km
2026-09-29 12:38 UTC	UAL1977	IAH → BOS Houston → Boston	N17408	Boeing 737 MAX 9	Completed	2704 km
2026-09-28 17:53 UTC	UAL1977	IAH → BOS Houston → Boston	N37577	Boeing 737 MAX 9	Completed	2765 km
2026-09-27 13:06 UTC	UAL1977	IAH → BOS Houston → Boston	N68801	Boeing 737-900	Completed	2673 km
2026-09-26 12:38 UTC	UAL1977	IAH → BOS Houston → Boston	N12216	Boeing 737-800	Completed	2721 km
2026-09-25 12:39 UTC	UAL1977	IAH → BOS Houston → Boston	N17337	Boeing 737 MAX 8	Completed	2768 km
2026-09-24 12:37 UTC	UAL1977	IAH → BOS Houston → Boston	N37547	Boeing 737 MAX 9	Completed	2820 km
2026-09-23 12:36 UTC	UAL1977	IAH → BOS Houston → Boston	N37577	Boeing 737 MAX 9	Completed	2680 km
2026-09-22 12:50 UTC	UAL1977	IAH → BOS Houston → Boston	N17438	Boeing 737 MAX 9	Completed	2805 km
2026-09-21 12:29 UTC	UAL1977	IAH → BOS Houston → Boston	N37563	Boeing 737 MAX 9	Completed	2684 km
2026-09-20 12:39 UTC	UAL1977	IAH → BOS Houston → Boston	N17441	Boeing 737 MAX 9	Completed	2968 km
2026-09-19 12:32 UTC	UAL1977	IAH → BOS Houston → Boston	N37549	Boeing 737 MAX 9	Completed	2871 km
2026-09-18 12:35 UTC	UAL1977	IAH → BOS Houston → Boston	N77426	Boeing 737 MAX 9	Completed	2933 km
2026-09-17 12:57 UTC	UAL1977	IAH → BOS Houston → Boston	N37525	Boeing 737 MAX 9	Completed	2878 km
2026-09-16 12:35 UTC	UAL1977	IAH → BOS Houston → Boston	N77426	Boeing 737 MAX 9	Completed	2910 km
2026-09-15 12:34 UTC	UAL1977	IAH → BOS Houston → Boston	N37554	Boeing 737 MAX 9	Completed	2841 km
2026-09-14 12:30 UTC	UAL1977	IAH → BOS Houston → Boston	N77573	Boeing 737 MAX 9	Completed	2826 km
2026-09-13 12:58 UTC	UAL1977	IAH → BOS Houston → Boston	N17410	Boeing 737 MAX 9	Completed	2909 km
2026-09-12 12:37 UTC	UAL1977	IAH → BOS Houston → Boston	N27509	Boeing 737 MAX 9	Completed	2839 km
2026-09-11 12:29 UTC	UAL1977	IAH → BOS Houston → Boston	N17421	Boeing 737 MAX 9	Completed	2916 km
2026-09-10 12:30 UTC	UAL1977	IAH → BOS Houston → Boston	N77582	Boeing 737 MAX 9	Completed	2998 km
2026-09-09 12:28 UTC	UAL1977	IAH → BOS Houston → Boston	N27586	Boeing 737 MAX 9	Completed	2924 km
2026-09-08 12:32 UTC	UAL1977	IAH → BOS Houston → Boston	N37567	Boeing 737 MAX 9	Incomplete (signal lost)	~2662 km est. (516 km recorded)
2026-09-07 12:28 UTC	UAL1977	IAH → BOS Houston → Boston	N37462	Boeing 737-900	Completed	2813 km
2026-09-06 12:55 UTC	UAL1977	IAH → BOS Houston → Boston	N77471	Boeing 737 MAX 9	Completed	2811 km
2026-09-05 12:27 UTC	UAL1977	IAH → BOS Houston → Boston	N480UA	Airbus A320 233	Completed	2870 km
2026-09-04 12:51 UTC	UAL1977	IAH → BOS Houston → Boston	N38443	Boeing 737-900	Completed	2752 km
2026-09-03 12:33 UTC	UAL1977	IAH → BOS Houston → Boston	N77431	Boeing 737-900	Completed	2893 km
2026-09-02 12:36 UTC	UAL1977	IAH → BOS Houston → Boston	N17421	Boeing 737 MAX 9	Completed	2971 km
2026-09-01 14:26 UTC	UAL1977	IAH → BOS Houston → Boston	N37318	Boeing 737 MAX 8	Completed	2843 km
2026-08-31 12:54 UTC	UAL1977	IAH → BOS Houston → Boston	N62849	Boeing 737-900	Completed	2934 km
2026-08-30 12:43 UTC	UAL1977	IAH → BOS Houston → Boston	N69810	Boeing 737-900	Completed	2804 km
2026-08-29 12:32 UTC	UAL1977	IAH → BOS Houston → Boston	N849UA	Airbus A319	Completed	2954 km
2026-08-28 12:34 UTC	UAL1977	IAH → BOS Houston → Boston	N36444	Boeing 737-900	Completed	2956 km
2026-08-27 13:08 UTC	UAL1977	IAH → BOS Houston → Boston	N61898	Boeing 737-900	Completed	2998 km
2026-08-26 12:37 UTC	UAL1977	IAH → BOS Houston → Boston	N37538	Boeing 737 MAX 9	Completed	2857 km
2026-08-25 12:32 UTC	UAL1977	IAH → BOS Houston → Boston	N38473	Boeing 737-900	Completed	2918 km
2026-08-24 16:11 UTC	UAL1977	? → BOS ? → Boston	N68453	Boeing 737-900	Completed	29 km
2026-08-24 12:30 UTC	UAL1977	IAH → BOS Houston → Boston	N68453	Boeing 737-900	Completed	3039 km
2026-08-23 12:29 UTC	UAL1977	IAH → BOS Houston → Boston	N28478	Boeing 737-900	Completed	4204 km
2026-08-22 12:32 UTC	UAL1977	IAH → BOS Houston → Boston	N842UA	Airbus A319	Completed	3802 km
2026-08-21 12:32 UTC	UAL1977	IAH → BOS Houston → Boston	N69847	Boeing 737-900	Completed	3765 km
2026-08-20 12:27 UTC	UAL1977	IAH → BOS Houston → Boston	N38454	Boeing 737-900	Completed	7670 km
2026-08-19 12:36 UTC	UAL1977	IAH → BOS Houston → Boston	N69816	Boeing 737-900	Completed	5959 km
2026-08-18 12:34 UTC	UAL1977	IAH → BOS Houston → Boston	N37468	Boeing 737-900	Completed	9942 km
2026-08-17 12:27 UTC	UAL1977	IAH → BOS Houston → Boston	N34455	Boeing 737-900	Completed	11497 km
2026-08-16 12:26 UTC	UAL1977	IAH → BOS Houston → Boston	N37462	Boeing 737-900	Completed	3873 km