UAL1691

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

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

Departed

2026-09-23 00:54 UTC

Arrival

San Francisco International Airport (SFO) — San Francisco, United States

Distance flown

2735 km

Straight-line distance

2627 km

Approach distance

63 km

Aircraft

Registration

N27515

Type

Boeing 737 MAX 9

Seats

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

Altitude & speed

Max altitude

36,025 ft

Max ground speed

493 kt

Tracked

5h 1m · 2,733 km

Altitude (ft, max 36,025)

Ground speed (kt, max 493)

Altitude (ft, max 36,025)

Ground speed (kt, max 493)

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 17:06 UTC	UAL1691	IAH → ORD Houston → Chicago	N14527	Airbus A321 Neo	Completed	1562 km
2026-10-02 17:07 UTC	UAL1691	IAH → ORD Houston → Chicago	N68891	Boeing 737-900	Completed	1667 km
2026-10-01 17:00 UTC	UAL1691	IAH → ORD Houston → Chicago	N14554	Airbus A321 Neo	Completed	1619 km
2026-09-30 17:04 UTC	UAL1691	IAH → ORD Houston → Chicago	N74532	Airbus A321 Neo	Completed (landing confirmed by airport data)	1626 km
2026-09-29 17:15 UTC	UAL1691	IAH → ORD Houston → Chicago	N14554	Airbus A321 Neo	Completed	1595 km
2026-09-28 17:05 UTC	UAL1691	IAH → ORD Houston → Chicago	N17566	Boeing 737 MAX 9	Completed	1555 km
2026-09-27 20:00 UTC	UAL1691	IAH → ORD Houston → Chicago	N24555	Airbus A321 Neo	Completed	1557 km
2026-09-26 17:17 UTC	UAL1691	IAH → ORD Houston → Chicago	N54552	Airbus A321 Neo	Completed	1547 km
2026-09-25 17:08 UTC	UAL1691	IAH → ORD Houston → Chicago	N17406	Boeing 737 MAX 9	Completed	1561 km
2026-09-24 17:08 UTC	UAL1691	IAH → ORD Houston → Chicago	N37536	Boeing 737 MAX 9	Completed	1586 km
2026-09-24 00:51 UTC	UAL1691	IAH → SFO Houston → San Francisco	N57478	Boeing 737 MAX 9	Completed	2747 km
2026-09-23 00:54 UTC	UAL1691	IAH → SFO Houston → San Francisco	N27515	Boeing 737 MAX 9	Completed	2735 km
2026-09-22 01:49 UTC	UAL1691	IAH → SFO Houston → San Francisco	N17435	Boeing 737 MAX 9	Completed	2743 km
2026-09-21 02:12 UTC	UAL1691	IAH → SFO Houston → San Francisco	N47569	Boeing 737 MAX 9	Completed	2805 km
2026-09-20 00:51 UTC	UAL1691	IAH → SFO Houston → San Francisco	N17565	Boeing 737 MAX 9	Completed	2840 km
2026-09-19 01:15 UTC	UAL1691	IAH → SFO Houston → San Francisco	N17402	Boeing 737 MAX 9	Completed	2912 km
2026-09-18 01:10 UTC	UAL1691	IAH → SFO Houston → San Francisco	N37560	Boeing 737 MAX 9	Completed	2834 km
2026-09-17 00:54 UTC	UAL1691	IAH → SFO Houston → San Francisco	N37542	Boeing 737 MAX 9	Completed	2997 km
2026-09-16 00:56 UTC	UAL1691	IAH → SFO Houston → San Francisco	N47412	Boeing 737 MAX 9	Completed	2853 km
2026-09-15 00:54 UTC	UAL1691	IAH → SFO Houston → San Francisco	N17594	Boeing 737-900	Completed	2845 km
2026-09-14 00:51 UTC	UAL1691	IAH → SFO Houston → San Francisco	N37577	Boeing 737 MAX 9	Completed	2856 km
2026-09-13 00:51 UTC	UAL1691	IAH → SFO Houston → San Francisco	N17596	Boeing 737 MAX 9	Completed	2774 km
2026-09-12 00:59 UTC	UAL1691	IAH → SFO Houston → San Francisco	N47457	Boeing 737 MAX 9	Completed	3064 km
2026-09-11 00:54 UTC	UAL1691	IAH → SFO Houston → San Francisco	N17597	Boeing 737 MAX 9	Completed	2882 km
2026-09-10 00:55 UTC	UAL1691	IAH → SFO Houston → San Francisco	N17459	Boeing 737 MAX 9	Completed	3040 km
2026-09-08 01:43 UTC	UAL1691	IAH → SFO Houston → San Francisco	N37553	Boeing 737 MAX 9	Completed	2840 km
2026-09-07 00:57 UTC	UAL1691	IAH → SFO Houston → San Francisco	N37440	Boeing 737 MAX 9	Completed	2793 km
2026-09-06 00:51 UTC	UAL1691	IAH → SFO Houston → San Francisco	N37525	Boeing 737 MAX 9	Completed	2862 km
2026-09-05 00:56 UTC	UAL1691	IAH → SFO Houston → San Francisco	N37510	Boeing 737 MAX 9	Completed	2766 km
2026-09-04 02:13 UTC	UAL1691	IAH → SFO Houston → San Francisco	N61898	Boeing 737-900	Completed	2935 km
2026-09-03 00:50 UTC	UAL1691	IAH → SFO Houston → San Francisco	N17414	Boeing 737 MAX 9	Completed	2838 km
2026-09-02 00:58 UTC	UAL1691	IAH → SFO Houston → San Francisco	N17438	Boeing 737 MAX 9	Completed	2826 km
2026-09-01 01:43 UTC	UAL1691	IAH → SFO Houston → San Francisco	N17414	Boeing 737 MAX 9	Completed	2920 km
2026-08-31 00:49 UTC	UAL1691	IAH → SFO Houston → San Francisco	N37551	Boeing 737 MAX 9	Completed	2891 km
2026-08-30 00:49 UTC	UAL1691	IAH → SFO Houston → San Francisco	N47434	Boeing 737 MAX 9	Completed	2897 km
2026-08-29 01:33 UTC	UAL1691	IAH → SFO Houston → San Francisco	N37547	Boeing 737 MAX 9	Completed	2851 km
2026-08-28 01:45 UTC	UAL1691	IAH → SFO Houston → San Francisco	N37447	Boeing 737 MAX 9	Completed	2901 km
2026-08-27 00:47 UTC	UAL1691	IAH → SFO Houston → San Francisco	N37542	Boeing 737 MAX 9	Completed	2807 km
2026-08-26 00:47 UTC	UAL1691	IAH → SFO Houston → San Francisco	N27464	Boeing 737 MAX 9	Completed	2788 km
2026-08-25 00:49 UTC	UAL1691	IAH → SFO Houston → San Francisco	N17408	Boeing 737 MAX 9	Completed	2815 km
2026-08-24 01:22 UTC	UAL1691	IAH → SFO Houston → San Francisco	N68891	Boeing 737-900	Completed	2841 km
2026-08-23 00:47 UTC	UAL1691	IAH → SFO Houston → San Francisco	N47570	Boeing 737 MAX 9	Completed	4349 km
2026-08-22 01:17 UTC	UAL1691	IAH → SFO Houston → San Francisco	N68834	Boeing 737-900	Completed	4109 km
2026-08-21 01:45 UTC	UAL1691	IAH → SFO Houston → San Francisco	N77590	Boeing 737 MAX 9	Completed	3517 km
2026-08-20 01:25 UTC	UAL1691	IAH → SFO Houston → San Francisco	N37563	Boeing 737 MAX 9	Completed	3927 km
2026-08-19 00:50 UTC	UAL1691	IAH → SFO Houston → San Francisco	N61882	Boeing 737-900	Completed	3864 km
2026-08-17 19:43 UTC	UAL1691	SFO → SFO San Francisco → San Francisco	N27539	Boeing 737 MAX 9	Completed	7443 km
2026-08-17 00:52 UTC	UAL1691	IAH → SFO Houston → San Francisco	N17452	Boeing 737 MAX 9	Completed	3954 km
2026-08-15 16:43 UTC	UAL1691	PDX → SFO Portland → San Francisco	N68822	Boeing 737-900	Completed	9632 km
2026-08-15 01:24 UTC	UAL1691	IAH → SFO Houston → San Francisco	N77598	Boeing 737 MAX 9	Completed	~8376 km est. (3904 km recorded)