Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

DAL20

Operated by Delta Air Lines

Live map

Live map filtered to DAL20. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SEA KSEA MVFR

Seattle–Tacoma International Airport

Seattle, US

Local time
10:56 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
200° / 5 kt
Visibility
10 SM
Ceiling
BKN 2,200 ft, BKN 3,200 ft
Temp / Dew
16°C / 12°C
Altimeter
30.08 inHg

Obs: 2026-08-28T16:53:00.000Z

Raw METAR / TAF 
METAR KSEA 281653Z 20005KT 10SM BKN022 BKN032 16/12 A3008 RMK AO2 SLP190 T01610122 $

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

Arrival

LHR EGLL VFR

London Heathrow Airport

London, GB

Local time
18:56 GMT+1
Timezone
Europe/London
Type
Large Airport
Elevation
83 ft
Coordinates
51.4707, -0.4599

cloud Weather

Wind
230° / 16 kt
Visibility
6 SM
Ceiling
SCT 3,500 ft, BKN 4,700 ft
Temp / Dew
21°C / 15°C
Altimeter
29.70 inHg
Wx
-RA

Obs: 2026-08-28T17:50:00.000Z

Raw METAR / TAF 
METAR EGLL 281750Z AUTO 23016KT 9999 -RA SCT035/// BKN047/// //////CB 21/15 Q1006

TAF EGLL 281656Z 2818/2924 25015KT 9999 FEW040 TEMPO 2818/2821 7000 SHRA PROB30 TEMPO 2818/2821 26018G28KT 3000 +SHRA +TSGS PROB30 TEMPO 2823/2908 BKN010 TEMPO 2907/2921 8000 -RA BKN008 BECMG 2909/2912 17010KT PROB40 TEMPO 2909/2913 3000 +RA +SHRA BECMG 2912/2915 23010KT PROB30 TEMPO 2913/2919 3000 +RA +TSRA BECMG 2918/2921 29007KT TEMPO 2921/2924 BKN008

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A50725 SEA → LHR Jul 26, 05:15 UTCJul 26, 13:55 UTC8h 41m - -
2026-07-25 A4F239 SEA → LHR Jul 25, 05:20 UTCJul 25, 06:15 UTC55m - -
2026-07-25 A4F239 SEA → LHR Jul 25, 05:15 UTCJul 25, 13:46 UTC8h 31m +25m +14m
2026-07-24 A4B827 SEA → LHR Jul 24, 05:00 UTCJul 24, 13:40 UTC8h 40m - -
2026-07-23 A51D6F SEA → LHR Jul 23, 05:05 UTCJul 23, 14:05 UTC9h 0m - -
2026-07-22 A4FFB7 - Jul 22, 05:00 UTCJul 22, 05:25 UTC25m - -
2026-07-22 A4FFB7 SEA → LHR Jul 22, 04:57 UTCJul 22, 13:45 UTC8h 48m +7m +9m
2026-07-21 A53612 - Jul 21, 05:25 UTCJul 21, 06:30 UTC1h 5m - -
2026-07-21 A53612 SEA → LHR Jul 21, 05:24 UTCJul 21, 14:12 UTC8h 48m +34m +13m
2026-07-20 A53D80 SEA → LHR Jul 20, 05:15 UTCJul 20, 14:10 UTC8h 55m - -
2026-07-19 A54137 - Jul 19, 13:55 UTCJul 19, 14:05 UTC10m - -
2026-07-19 A54137 - Jul 19, 05:00 UTCJul 19, 05:45 UTC45m - -
2026-07-19 A54137 SEA → LHR Jul 19, 04:59 UTCJul 19, 13:38 UTC8h 39m +9m +5m
2026-07-18 A53612 - Jul 18, 13:35 UTCJul 18, 13:50 UTC15m - -
2026-07-18 A53612 SEA → LHR Jul 18, 05:11 UTCJul 18, 13:19 UTC8h 8m +21m -20m
2026-07-18 A53612 - Jul 18, 05:15 UTCJul 18, 12:00 UTC6h 45m - -
2026-07-17 A51D6F SEA → LHR Jul 17, 05:25 UTCJul 17, 14:20 UTC8h 55m - -
2026-07-16 A51D6F SEA → LHR Jul 16, 05:21 UTCJul 16, 14:13 UTC8h 52m +31m +2m
2026-07-16 A51D6F - Jul 16, 05:25 UTCJul 16, 07:10 UTC1h 45m - -
2026-07-15 A544EE - Jul 15, 05:05 UTCJul 15, 14:10 UTC9h 5m - -
2026-07-14 A51601 - Jul 14, 04:55 UTCJul 14, 06:55 UTC2h 0m - -
2026-07-14 A51601 SEA → LHR Jul 14, 04:55 UTCJul 14, 13:39 UTC8h 44m +5m +3m
2026-07-13 A53612 SEA → LHR Jul 13, 05:20 UTCJul 13, 14:05 UTC8h 45m - -
2026-07-12 A50370 SEA → LHR Jul 12, 05:35 UTCJul 12, 14:25 UTC8h 50m - -
2026-07-11 A50370 - Jul 11, 05:05 UTCJul 11, 14:00 UTC8h 55m - -
2026-07-11 A50370 SEA → LHR Jul 11, 05:01 UTCJul 11, 13:46 UTC8h 45m +11m +6m
2026-07-10 A50370 SEA → LHR Jul 10, 05:10 UTCJul 10, 14:05 UTC8h 55m - -
2026-07-09 A539C9 - Jul 9, 05:25 UTCJul 9, 08:05 UTC2h 40m - -
2026-07-09 A539C9 SEA → LHR Jul 9, 05:25 UTCJul 9, 14:39 UTC9h 14m +35m +4m
2026-07-08 A4B827 SEA → LHR Jul 8, 05:10 UTCJul 8, 14:20 UTC9h 10m - -

Performance history

Flights tracked
165 showing last 30
Avg arrival delay
+4m
On-time arrival
100% 100% on time
Aircraft used
12

Monthly activity 4 months

Month Flights tracked
July 2026 42
June 2026 43
May 2026 49
April 2026 31

DAL20 frequently asked

Where does flight DAL20 fly?
DAL20 (Delta Air Lines) flies from SEA to LHR. View the full route page.
How long is flight DAL20?
Based on observed flights, DAL20 takes on average 6h 26m from takeoff to landing.
How often does DAL20 fly?
DAL20 has been observed flying several times a week in our tracking data. We've recorded 165 flights under this callsign.
Is flight DAL20 usually on time?
Across recent flights, DAL20 arrives with an average 4-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight DAL20?
DAL20 has been operated by 12 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track DAL20 live?
Yes. When DAL20 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.