| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 09 | SEA | BOS | 13:45 | 21:35 |
En-Route
|
Track > |
| Sep 08 | SEA | BOS | 14:04 | 21:46 |
Landed
|
Track > |
| Sep 07 | SEA | BOS | 12:07 | 20:06 |
Landed Late
|
Track > |
| Sep 06 | SEA | BOS | 14:37 | 22:20 |
Delayed
|
Track > |
| Sep 05 | SEA | BOS | 14:56 | 22:36 |
Delayed
|
Track > |
| Sep 04 | SEA | BOS | 12:27 | 20:19 |
Landed Late
|
Track > |
| Sep 03 | SEA | BOS | 12:23 | 21:00 |
Delayed
|
Track > |
| Sep 02 | SEA | BOS | 14:03 | 21:52 |
Landed
|
Track > |
| Sep 01 | SEA | BOS | 14:52 | 22:37 |
Delayed
|
Track > |
| Aug 31 | SEA | BOS | 14:25 | 22:01 |
Landed Late
|
Track > |
Delta Air Lines Flight DL438 connects Seattle, United States to Boston, United States, taking off from Seattle Tacoma International Airport SEA and landing at Boston Logan International Airport BOS.
How long is the DL438 flight from Seattle to Boston?
The average flight time from Seattle to Boston is 4 hours and 51 minutes. The flight distance is 4005 km / 2489 miles and the average flight speed is 827 km/h / 514 mph.
How many DL438 flights are operated per week?
6 flights per week. The flight DL438 is operated on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Delta Air Lines Flight DL438 Seattle to Boston?
The Airportia On-Time Performance Rating for Delta Air Lines Flight DL438 is 4.3/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight DL438 arriving at?
Flight DL438 arrives at Boston Logan International Airport (BOS) Terminal A.
When was the latest DL438 flight?
The latest flight took off on Thursday, September 10th, 2026 with the flight status being En-Route on 21:35.
How else can the flight DL438 be referenced as?
This Delta Air Lines flight can also be referenced as DAL438, DL0438, DL 438, DAL 438.
How often is flight DL438 delayed?
On average, 80% of all DL438 flights are delayed. The average delay is 52 minutes.
Can I get compensation for my delayed or cancelled DL438 flight or baggage issues?
If your DL438 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 DL438 Flight Tracker above for more details.
Flight DL438 is code-shared by 1 airline using the flight number KE3009
Other flights departing from Seattle SEA: QX2334, AS119, AS657, DL928
Other flights arriving at Boston BOS: HU729, B670, WN392, DL1502
All flights connecting Seattle SEA to Boston BOS.