Apparatus

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flight_takeoff Flight

DAL340

Operated by Delta Air Lines

Live map

Live map filtered to DAL340. Shown when the flight is currently airborne.

Route airports View route page →

Departure

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
14:21 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
130° / 4 kt
Visibility
10 SM
Ceiling
FEW 3,700 ft, BKN 7,500 ft
Temp / Dew
27°C / 21°C
Altimeter
29.97 inHg

Obs: 2026-08-28T18:15:00.000Z

Raw METAR / TAF 
SPECI KBOS 281815Z 13004KT 10SM FEW037 BKN075 27/21 A2997 RMK AO2 T02670206

TAF KBOS 281733Z 2818/2924 23008KT P6SM SCT035 FM281830 10005KT P6SM SCT035 PROB30 2819/2823 4SM TSRA OVC035CB FM282300 21004KT P6SM BKN100 FM290200 30005KT P6SM SCT250 FM290600 33008KT P6SM SCT200 FM291600 08004KT P6SM SKC

Arrival

SEA KSEA MVFR

Seattle–Tacoma International Airport

Seattle, US

Local time
11:21 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
240° / 5 kt
Visibility
10 SM
Ceiling
BKN 2,100 ft, BKN 2,600 ft, OVC 4,500 ft
Temp / Dew
17°C / 12°C
Altimeter
30.08 inHg

Obs: 2026-08-28T17:53:00.000Z

Raw METAR / TAF 
METAR KSEA 281753Z 24005KT 10SM BKN021 BKN026 OVC045 17/12 A3008 RMK AO2 SLP191 T01720122 10172 20139 58000 $

TAF KSEA 281727Z 2818/2924 22005KT P6SM BKN025 BKN035 FM282100 26006KT P6SM BKN050 FM290200 32006KT P6SM BKN050 FM290800 19007KT P6SM -SHRA OVC035 FM291100 19006KT P6SM -SHRA BKN025 OVC030 FM291800 21007KT P6SM -SHRA SCT020 OVC030

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A6F9B3 BOS → SEA Jul 26, 03:35 UTCJul 26, 04:00 UTC25m - -
2026-07-25 A6F9B3 BOS → SEA Jul 25, 22:20 UTCJul 25, 23:10 UTC50m - -
2026-07-24 A67BC8 BOS → SEA Jul 24, 22:15 UTCJul 25, 03:40 UTC5h 25m - -
2026-07-24 A6F5FC BOS → SEA Jul 24, 03:10 UTCJul 24, 03:25 UTC15m - -
2026-07-23 A6F5FC BOS → SEA Jul 23, 21:54 UTCJul 24, 03:29 UTC5h 35m +24m -5m
2026-07-23 A6F5FC BOS → SEA Jul 23, 21:55 UTCJul 23, 22:50 UTC55m - -
2026-07-22 A66576 BOS → SEA Jul 22, 23:15 UTCJul 23, 04:50 UTC5h 35m - -
2026-07-22 A6E720 - Jul 22, 03:05 UTCJul 22, 03:30 UTC25m - -
2026-07-21 A6E720 - Jul 21, 21:50 UTCJul 21, 22:40 UTC50m - -
2026-07-20 A64CE6 - Jul 20, 22:15 UTCJul 21, 03:50 UTC5h 34m - -
2026-07-20 A6D83C - Jul 20, 03:10 UTCJul 20, 03:30 UTC20m - -
2026-07-19 A6D83C - Jul 19, 22:00 UTCJul 19, 22:55 UTC55m - -
2026-07-18 A6B0BD SEA → KOA Jul 18, 21:55 UTCJul 19, 03:20 UTC5h 25m - -
2026-07-17 A6E720 SEA → KOA Jul 17, 22:00 UTCJul 18, 03:20 UTC5h 21m - -
2026-07-17 A6B470 - Jul 17, 04:10 UTCJul 17, 04:25 UTC15m - -
2026-07-16 A6B470 SEA → KOA Jul 16, 22:57 UTCJul 17, 04:30 UTC5h 33m +87m +5m
2026-07-16 A6B470 - Jul 16, 22:59 UTCJul 16, 23:55 UTC55m - -
2026-07-16 A65454 - Jul 16, 03:35 UTCJul 16, 03:50 UTC15m - -
2026-07-15 A65454 - Jul 15, 22:15 UTCJul 15, 23:10 UTC55m - -
2026-07-14 A6A6F6 - Jul 14, 21:45 UTCJul 14, 22:40 UTC55m - -
2026-07-14 A6A6F6 SEA → KOA Jul 14, 21:45 UTCJul 15, 03:18 UTC5h 33m +15m +15m
2026-07-13 A641BF - Jul 13, 21:55 UTCJul 14, 03:20 UTC5h 25m - -
2026-07-12 A6F23D - Jul 12, 03:05 UTCJul 12, 03:20 UTC15m - -
2026-07-11 A6F23D - Jul 11, 21:50 UTCJul 11, 23:00 UTC1h 10m - -
2026-07-10 A65454 SEA → KOA Jul 10, 22:01 UTCJul 11, 03:41 UTC5h 40m +31m +3m
2026-07-10 A65454 SEA → KOA Jul 10, 22:00 UTCJul 11, 03:35 UTC5h 35m - -
2026-07-10 A6EE8E - Jul 10, 06:50 UTCJul 10, 07:00 UTC10m - -
2026-07-09 A6EE8E SEA → KOA Jul 9, 21:51 UTCJul 10, 03:27 UTC5h 36m +21m -1m
2026-07-09 A6EE8E SEA → KOA Jul 9, 21:55 UTCJul 10, 03:25 UTC5h 30m - -
2026-07-08 A66CE0 SEA → KOA Jul 8, 22:10 UTCJul 9, 03:36 UTC5h 26m +40m +16m

Performance history

Flights tracked
179 showing last 30
Avg arrival delay
+6m
On-time arrival
83% 83% on time
Aircraft used
15

Monthly activity 4 months

Month Flights tracked
July 2026 44
June 2026 49
May 2026 54
April 2026 32

DAL340 frequently asked

Where does flight DAL340 fly?
DAL340 (Delta Air Lines) flies from BOS to SEA. View the full route page.
How long is flight DAL340?
Based on observed flights, DAL340 takes on average 2h 54m from takeoff to landing.
How often does DAL340 fly?
DAL340 has been observed flying several times a week in our tracking data. We've recorded 179 flights under this callsign.
Is flight DAL340 usually on time?
Across recent flights, DAL340 arrives with an average 6-minute delay. 83% of flights arrive within 15 minutes of schedule.
What aircraft operates flight DAL340?
DAL340 has been operated by 15 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track DAL340 live?
Yes. When DAL340 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.