United Airlines UA1254 Landed BOS Boston → IAH Houston 4h 9m 2,570km / 1,586mi 21. Feb 2019 DEPARTURE 07:49 EST 12:49 UTC 07:15 +34 minutes ARRIVAL 10:59 CST 16:59 UTC 10:49 +10 minutes Boeing B737 MAX 9 N37502 AIRLINE United Airlines UA / UAL FREQUENCY daily FLIGHTS/WEEK 44 PUNCTUALITY 86% CO2 EMISSIONS Economy 295kg Business 579kg