| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 16 | SFO | HNL | 19:00 | 21:43 |
Delayed
|
Track > |
| Jul 15 | SFO | HNL | 19:42 | 21:42 |
Landed
|
Track > |
| Jul 14 | SFO | HNL | 19:49 | 21:47 |
Landed
|
Track > |
| Jul 13 | SFO | HNL | 19:48 | 21:34 |
Landed
|
Track > |
| Jul 12 | SFO | HNL | 19:14 | 21:00 |
Landed
|
Track > |
| Jul 11 | SFO | HNL | 19:15 | 21:10 |
Landed
|
Track > |
| Jul 10 | SFO | HNL | 19:50 | 21:28 |
Landed
|
Track > |
| Jul 09 | SFO | HNL | 19:35 | 21:41 |
Landed
|
Track > |
| Jul 08 | SFO | HNL | 19:13 | 21:18 |
Landed
|
Track > |
| Jul 07 | SFO | HNL | 19:28 | 21:16 |
Landed
|
Track > |
United Airlines Flight UA638 connects San Francisco, United States to Honolulu, United States, taking off from San Francisco International Airport SFO and landing at Honolulu International Airport HNL.
How long is the UA638 flight from San Francisco to Honolulu?
The average flight time from San Francisco to Honolulu is 4 hours and 53 minutes. The flight distance is 3857 km / 2396 miles and the average flight speed is 778 km/h / 483 mph.
How many UA638 flights are operated per week?
7 flights per week. The flight UA638 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA638 San Francisco to Honolulu?
The Airportia On-Time Performance Rating for United Airlines Flight UA638 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA638 arriving at?
Flight UA638 arrives at Honolulu International Airport (HNL) Terminal 2.
When was the latest UA638 flight?
The latest flight took off on Friday, July 17th, 2026 with the flight status being Scheduled on 21:43.
How else can the flight UA638 be referenced as?
This United Airlines flight can also be referenced as UAL638, UA0638, UA 638, UAL 638.
How often is flight UA638 delayed?
On average, 10% of all UA638 flights are delayed. The average delay is 4 minutes.
Can I get compensation for my delayed or cancelled UA638 flight or baggage issues?
If your UA638 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our UA638 Flight Tracker above for more details.
Other flights departing from San Francisco SFO: UA2436, UA1343, MX601, F92638
Other flights arriving at Honolulu HNL: HA805, AA1313, HA843, HA1121
All flights connecting San Francisco SFO to Honolulu HNL.
