Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

DAL20

Operated by DAL

Live map

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

Route airports View route page →

Departure

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
23:39 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
30° / 10 kt
Visibility
10 SM
Ceiling
BKN 3,300 ft, OVC 4,200 ft
Temp / Dew
11°C / 7°C
Altimeter
30.15 inHg

Obs: 2026-05-30T05:53:00.000Z

Raw METAR / TAF 
METAR KSEA 300553Z 03010KT 10SM BKN033 OVC042 11/07 A3015 RMK AO2 SLP217 T01110067 10150 20106 51016 $

TAF KSEA 300520Z 3006/3112 01009KT P6SM OVC035 TEMPO 3006/3009 -SHRA FM301200 14005KT P6SM BKN030 FM301900 28006KT P6SM BKN070 FM302200 31008KT P6SM SCT070 BKN250

flight Live Traffic

flight_takeoff 279 Departures
flight_land 330 Arrivals

Arrival

LHR EGLL VFR

London Heathrow Airport

London, GB

Local time
07:39 GMT+1
Timezone
Europe/London
Type
Large Airport
Elevation
83 ft
Coordinates
51.4707, -0.4599

cloud Weather

Wind
50° / 4 kt
Visibility
6 SM
Ceiling
CLR
Temp / Dew
18°C / 9°C
Altimeter
30.15 inHg

Obs: 2026-05-30T06:20:00.000Z

Raw METAR / TAF 
METAR EGLL 300620Z AUTO 05004KT 020V090 9999 NCD 18/09 Q1021

TAF EGLL 300456Z 3006/3112 VRB04KT CAVOK BECMG 3014/3017 28010KT BECMG 3104/3107 BKN030 PROB30 TEMPO 3105/3108 BKN014

flight Live Traffic

flight_takeoff 22 Departures
flight_land 59 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 A4EACB SEA → LHR May 29, 05:20 UTCMay 29, 06:35 UTC1h 15m - -
2026-05-29 A4EACB SEA → LHR May 29, 05:18 UTCMay 29, 14:06 UTC8h 48m +33m +9m
2026-05-28 A4D838 SEA → LHR May 28, 05:00 UTCMay 28, 14:15 UTC9h 15m - -
2026-05-27 A4E239 SEA → LHR May 27, 15:20 UTCMay 27, 15:35 UTC15m - -
2026-05-27 A4F239 SEA → LHR May 27, 06:44 UTCMay 27, 10:00 UTC3h 15m - -
2026-05-27 A4F239 SEA → LHR May 27, 06:42 UTCMay 27, 15:34 UTC8h 52m +117m on time
2026-05-26 A4F239 SEA → LHR May 26, 04:54 UTCMay 26, 13:54 UTC9h 0m - -
2026-05-25 A54137 SEA → LHR May 25, 14:05 UTCMay 25, 14:20 UTC15m - -
2026-05-25 A54137 SEA → LHR May 25, 04:55 UTCMay 25, 05:45 UTC50m - -
2026-05-25 A54137 SEA → LHR May 25, 04:55 UTCMay 25, 14:04 UTC9h 9m +10m +26m
2026-05-24 A4CE71 SEA → LHR May 24, 05:05 UTCMay 24, 06:15 UTC1h 10m - -
2026-05-24 A4CE71 SEA → LHR May 24, 05:00 UTCMay 24, 14:05 UTC9h 5m +15m +22m
2026-05-23 A4C703 SEA → LHR May 23, 05:00 UTCMay 23, 14:00 UTC9h 0m - -
2026-05-22 A53612 SEA → LHR May 22, 05:00 UTCMay 22, 14:20 UTC9h 20m - -
2026-05-21 A4BF95 SEA → LHR May 21, 05:05 UTCMay 21, 14:30 UTC9h 25m - -
2026-05-21 A4BF95 SEA → LHR May 21, 05:04 UTCMay 21, 14:26 UTC9h 22m +19m +15m
2026-05-20 A4FFB7 SEA → LHR May 20, 05:05 UTCMay 20, 07:40 UTC2h 35m - -
2026-05-20 A4FFB7 SEA → LHR May 20, 05:05 UTCMay 20, 14:16 UTC9h 11m +20m +22m
2026-05-19 A52AED SEA → LHR May 19, 04:55 UTCMay 19, 14:10 UTC9h 15m - -
2026-05-18 A51601 SEA → LHR May 18, 04:55 UTCMay 18, 13:55 UTC9h 0m - -
2026-05-17 A4E35F SEA → LHR May 17, 04:55 UTCMay 17, 13:55 UTC9h 0m - -
2026-05-17 A4E35F SEA → LHR May 17, 04:55 UTCMay 17, 13:49 UTC8h 54m +10m +11m
2026-05-16 A4DFA6 SEA → LHR May 16, 05:10 UTCMay 16, 14:20 UTC9h 11m - -
2026-05-15 A52736 SEA → LHR May 15, 06:45 UTCMay 15, 08:00 UTC1h 15m - -
2026-05-15 A52736 SEA → LHR May 15, 06:43 UTCMay 15, 15:26 UTC8h 43m +118m +17m
2026-05-14 A52736 SEA → LHR May 14, 05:55 UTCMay 14, 15:01 UTC9h 5m - -
2026-05-13 A4F5F0 SEA → LHR May 13, 13:55 UTCMay 13, 14:05 UTC10m - -
2026-05-13 A4F5F0 SEA → LHR May 13, 05:00 UTCMay 13, 14:00 UTC9h 0m - -
2026-05-13 A4F5F0 SEA → LHR May 13, 04:59 UTCMay 13, 13:36 UTC8h 37m +14m +9m
2026-05-12 A53612 SEA → LHR May 12, 05:20 UTCMay 12, 14:20 UTC9h 0m - -

Performance history

Flights tracked
77 showing last 30
Avg arrival delay
+15m
On-time arrival
56% 56% on time
Aircraft used
16

Monthly activity 2 months

Month Flights tracked
May 2026 46
April 2026 31

DAL20 frequently asked

Where does flight DAL20 fly?
DAL20 (DAL) flies from SEA to LHR. View the full route page.
How long is flight DAL20?
Based on observed flights, DAL20 takes on average 6h 42m 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 77 flights under this callsign.
Is flight DAL20 usually on time?
Across recent flights, DAL20 arrives with an average 15-minute delay. 56% of flights arrive within 15 minutes of schedule.
What aircraft operates flight DAL20?
DAL20 has been operated by 16 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.