DAL637

For travellers

Departure · Seattle (SEA)

Gate S3

Scheduled 02 Oct 11:45 · Estimated 02 Oct 12:19 · +34 min

Board status: Now 12:19 PM

Airborne since 02 Oct 12:44 (ADS-B)

Arrival · Chicago (ORD)

Terminal 5 · Gate M7

Scheduled 02 Oct 18:01 · Landed 02 Oct 18:28 · +27 min

Board status: Active

Landed 02 Oct 18:28 (airport data)

Board data from ord, sea, updated 760 min ago; times local to each airport.

Flight

Status

Completed (landing confirmed by airport data)

Arrival confirmed via

Airport data (confirmed)

Departure

Seattle Tacoma International Airport (SEA) — Seattle, United States

Scheduled departure

2026-10-02 18:45 UTC

Departed

2026-10-02 19:44 UTC

Arrival

Chicago O'Hare International Airport (ORD) — Chicago, United States

Scheduled arrival

2026-10-02 23:01 UTC

Estimated arrival

2026-10-02 23:07 UTC

Also flies as

DL637

Distance flown

2831 km

Straight-line distance

2762 km

Aircraft

Registration

N904DN

Type

Boeing 737-900

Seats

180 total (139 Economy, 21 Delta Comfort+, 20 First)

CO2 (EMEP est., total)

68.2 t (517 kg/pax Business, 361 kg/pax Economy)

Altitude & speed

Max altitude

35,025 ft

Max ground speed

547 kt

Tracked

3h 49m · 2,824 km

Altitude (ft, max 35,025)

Ground speed (kt, max 547)

Altitude (ft, max 35,025)

Ground speed (kt, max 547)

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

Delta Air Lines (DAL)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-02 19:44 UTC	DAL637	SEA → ORD Seattle → Chicago	N904DN	Boeing 737-900	Completed (landing confirmed by airport data)	2831 km
2026-10-01 21:13 UTC	DAL637	SEA → ORD Seattle → Chicago	N842DN	Boeing 737-900	Completed	1427 km
2026-10-01 19:39 UTC	DAL637	SEA → ORD Seattle → Chicago	N842DN	Boeing 737-900	Completed (landing confirmed by airport data)	~2834 km est. (1167 km recorded)
2026-09-30 17:43 UTC	DAL637	SEA → ORD Seattle → Chicago	N906DN	Boeing 737-900	Completed	1426 km
2026-09-30 18:52 UTC	DAL637	SEA → ORD Seattle → Chicago	N906DN	Boeing 737-900	Completed (landing confirmed by airport data)	~2838 km est. (1144 km recorded)
2026-09-29 20:49 UTC	DAL637	SEA → ORD Seattle → Chicago	N917DU	Boeing 737-900	Completed	1520 km
2026-09-29 19:01 UTC	DAL637	SEA → ORD Seattle → Chicago	N917DU	Boeing 737-900	Completed (landing confirmed by airport data)	~2833 km est. (1207 km recorded)
2026-09-28 19:08 UTC	DAL637	SEA → ORD Seattle → Chicago	N883DN	Boeing 737-900	Completed	2814 km
2026-09-27 21:02 UTC	DAL637	SEA → ORD Seattle → Chicago	N933DZ	Boeing 737-900	Completed	1446 km
2026-09-27 19:23 UTC	DAL637	SEA → ORD Seattle → Chicago	N933DZ	Boeing 737-900	Completed (landing confirmed by airport data)	~2832 km est. (889 km recorded)
2026-09-26 20:35 UTC	DAL637	SEA → ORD Seattle → Chicago	N961DZ	Boeing 737-900	Completed	1388 km
2026-09-26 18:58 UTC	DAL637	SEA → ORD Seattle → Chicago	N961DZ	Boeing 737-900	Completed (landing confirmed by airport data)	~2830 km est. (1180 km recorded)
2026-09-25 21:23 UTC	DAL637	SEA → ORD Seattle → Chicago	N858DZ	Boeing 737-900	Completed	1378 km
2026-09-25 19:24 UTC	DAL637	SEA → ORD Seattle → Chicago	N858DZ	Boeing 737-900	Completed (landing confirmed by airport data)	~2838 km est. (1178 km recorded)
2026-09-24 18:50 UTC	DAL637	SEA → ORD Seattle → Chicago	N896DN	Boeing 737-900	Completed	2828 km
2026-09-23 20:34 UTC	DAL637	SEA → ORD Seattle → Chicago	N893DN	Boeing 737-900	Completed	1351 km
2026-09-23 18:40 UTC	DAL637	SEA → ORD Seattle → Chicago	N893DN	Boeing 737-900	Completed (landing confirmed by airport data)	~2831 km est. (1193 km recorded)
2026-09-22 18:49 UTC	DAL637	SEA → ORD Seattle → Chicago	N928DU	Boeing 737-900	Completed	2839 km
2026-09-21 20:46 UTC	DAL637	SEA → ORD Seattle → Chicago	N959DZ	Boeing 737-900	Completed	1420 km
2026-09-21 19:01 UTC	DAL637	SEA → ORD Seattle → Chicago	N959DZ	Boeing 737-900	Completed (landing confirmed by airport data)	~2832 km est. (1187 km recorded)
2026-09-20 20:55 UTC	DAL637	SEA → ORD Seattle → Chicago	N811DZ	Boeing 737-900	Completed	1317 km
2026-09-20 18:42 UTC	DAL637	SEA → ORD Seattle → Chicago	N811DZ	Boeing 737-900	Completed (landing confirmed by airport data)	~2836 km est. (903 km recorded)
2026-09-19 23:03 UTC	DAL637	SEA → ORD Seattle → Chicago	N911DQ	Boeing 737-900	Completed	1415 km
2026-09-19 21:19 UTC	DAL637	SEA → ORD Seattle → Chicago	N911DQ	Boeing 737-900	Completed (landing confirmed by airport data)	~2875 km est. (1173 km recorded)
2026-09-18 21:04 UTC	DAL637	SEA → ORD Seattle → Chicago	N867DN	Boeing 737-900	Completed	1371 km
2026-09-18 19:15 UTC	DAL637	SEA → ORD Seattle → Chicago	N867DN	Boeing 737-900	Completed (landing confirmed by airport data)	~2883 km est. (1187 km recorded)
2026-09-17 19:41 UTC	DAL637	SEA → ORD Seattle → Chicago	N919DU	Boeing 737-900	Completed	3025 km
2026-09-16 19:42 UTC	DAL637	SEA → ORD Seattle → Chicago	N913DU	Boeing 737-900	Completed	2968 km
2026-09-15 19:37 UTC	DAL637	SEA → ORD Seattle → Chicago	N920DU	Boeing 737-900	Completed	3080 km
2026-09-14 19:17 UTC	DAL637	SEA → ORD Seattle → Chicago	N819DN	Boeing 737-900	Completed	3156 km
2026-09-13 18:52 UTC	DAL637	SEA → ORD Seattle → Chicago	N959DZ	Boeing 737-900	Completed	3007 km
2026-09-12 19:21 UTC	DAL637	SEA → ORD Seattle → Chicago	N961DZ	Boeing 737-900	Completed	3042 km
2026-09-11 18:42 UTC	DAL637	SEA → ORD Seattle → Chicago	N871DN	Boeing 737-900	Completed	2923 km
2026-09-10 19:05 UTC	DAL637	SEA → ORD Seattle → Chicago	N886DN	Boeing 737-900	Completed	2983 km
2026-09-09 18:57 UTC	DAL637	SEA → ORD Seattle → Chicago	N857DZ	Boeing 737-900	Completed	3356 km
2026-09-09 14:15 UTC	DAL637	SAN → SEA San Diego → Seattle	N857DZ	Boeing 737-900	Completed	1952 km
2026-09-07 19:19 UTC	DAL637	SEA → ORD Seattle → Chicago	N3769L	Boeing 737-800	Completed	3033 km
2026-09-06 17:45 UTC	DAL637	SEA → ORD Seattle → Chicago	N825DN	Boeing 737-900	Completed	3195 km
2026-09-05 17:51 UTC	DAL637	SEA → ORD Seattle → Chicago	N860DN	Boeing 737-900	Completed	2962 km
2026-09-04 18:26 UTC	DAL637	SEA → ORD Seattle → Chicago	N883DN	Boeing 737-900	Completed	2948 km
2026-09-03 17:59 UTC	DAL637	SEA → ORD Seattle → Chicago	N889DN	Boeing 737-900	Completed (landing presumed)	2945 km
2026-09-02 17:46 UTC	DAL637	SEA → ORD Seattle → Chicago	N935DZ	Boeing 737-900	Completed	3043 km
2026-09-01 01:21 UTC	DAL637	MSP → ORD Minneapolis → Chicago	N941DZ	Boeing 737-900	Completed	688 km
2026-08-31 17:48 UTC	DAL637	SEA → MSP Seattle → Minneapolis	N941DZ	Boeing 737-900	Completed	3113 km
2026-08-30 17:51 UTC	DAL637	SEA → ORD Seattle → Chicago	N919DU	Boeing 737-900	Completed	3167 km
2026-08-29 17:51 UTC	DAL637	SEA → ORD Seattle → Chicago	N871DN	Boeing 737-900	Completed	3011 km
2026-08-28 17:51 UTC	DAL637	SEA → ORD Seattle → Chicago	N820DN	Boeing 737-900	Completed	3059 km
2026-08-27 17:44 UTC	DAL637	SEA → ORD Seattle → Chicago	N906DN	Boeing 737-900	Completed	2972 km
2026-08-26 17:45 UTC	DAL637	SEA → ORD Seattle → Chicago	N813DN	Boeing 737-900	Completed	3028 km
2026-08-25 17:50 UTC	DAL637	SEA → ORD Seattle → Chicago	N826DN	Boeing 737-900	Completed	3041 km