Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL637

Operated by UAL

Live map

Live map filtered to UAL637. Shown when the flight is currently airborne.

Route airports View route page →

Departure

IAD KIAD VFR

Washington Dulles International Airport

Dulles, US

Local time
08:42 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
312 ft
Coordinates
38.9445, -77.4558

cloud Weather

Wind
320° / 11G18 kt
Visibility
10 SM
Ceiling
BKN 3,300 ft
Temp / Dew
16°C / 14°C
Altimeter
29.86 inHg

Obs: 2026-10-12T11:52:00.000Z

Raw METAR / TAF 
METAR KIAD 121152Z 32011G18KT 10SM BKN033 16/14 A2986 RMK AO2 SLP110 60082 70192 T01610139 10161 20150 51027 $

TAF KIAD 121136Z 1212/1318 33010G17KT 6SM BR SCT018 BKN045 FM121300 33010G18KT P6SM BKN020 BKN035 FM121600 34013G21KT P6SM SCT025 BKN040 FM121800 33011G18KT P6SM BKN045 FM122100 31007KT P6SM SCT050 FM130000 30003KT P6SM FEW050 FM131400 19005KT P6SM SCT250

flight Live Traffic

flight_takeoff 105 Departures
flight_land 113 Arrivals

Arrival

AUS KAUS MVFR

Austin Bergstrom International Airport

Austin, US

Local time
07:42 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
542 ft
Coordinates
30.1975, -97.6620

cloud Weather

Wind
120° / 4 kt
Visibility
10 SM
Ceiling
SCT 2,000 ft, BKN 2,600 ft
Temp / Dew
22°C / 21°C
Altimeter
30.00 inHg

Obs: 2026-10-12T11:53:00.000Z

Raw METAR / TAF 
METAR KAUS 121153Z 12004KT 10SM SCT020 BKN026 22/21 A3000 RMK AO2 SLP148 T02220206 10228 20211 55002 $

TAF KAUS 121120Z 1212/1318 13003KT P6SM BKN035 OVC120 FM121230 15007KT P6SM BKN022 TEMPO 1213/1216 BKN018 FM121700 17011KT P6SM BKN035 PROB30 1218/1224 -TSRA BKN035CB FM130100 16008KT P6SM BKN050 FM130700 17008KT P6SM OVC015 TEMPO 1310/1313 BKN008

flight Live Traffic

flight_takeoff 243 Departures
flight_land 202 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A49F87 MSY → DEN Jul 26, 13:05 UTCJul 26, 15:55 UTC2h 50m - -
2026-07-25 A56DCF MSY → DEN Jul 25, 20:25 UTCJul 25, 23:55 UTC3h 30m - -
2026-07-24 A12777 MSY → DEN Jul 24, 13:15 UTCJul 24, 16:00 UTC2h 45m - -
2026-07-23 A24C77 MSY → DEN Jul 23, 13:00 UTCJul 23, 15:55 UTC2h 55m - -
2026-07-22 A1D63D MSY → DEN Jul 22, 14:15 UTCJul 22, 17:10 UTC2h 55m - -
2026-07-21 A44169 MSY → DEN Jul 21, 12:55 UTCJul 21, 15:40 UTC2h 45m - -
2026-07-20 A24C77 MSY → DEN Jul 20, 12:45 UTCJul 20, 15:30 UTC2h 45m - -
2026-07-18 A56A18 MSY → DEN Jul 18, 20:55 UTCJul 19, 00:05 UTC3h 10m - -
2026-07-18 A56A18 MSY → DEN Jul 18, 20:59 UTCJul 19, 00:02 UTC3h 3m +59m +6m
2026-07-17 A10E21 - Jul 17, 13:00 UTCJul 17, 14:15 UTC1h 15m - -
2026-07-17 A10E21 IAD → AUS Jul 17, 12:48 UTCJul 17, 15:41 UTC2h 53m +18m -6m
2026-07-16 A126E7 IAD → AUS Jul 16, 12:40 UTCJul 16, 15:35 UTC2h 55m - -
2026-07-16 A126E7 IAD → AUS Jul 16, 12:48 UTCJul 16, 15:33 UTC2h 45m +18m +8m
2026-07-15 A12403 IAD → AUS Jul 15, 12:50 UTCJul 15, 15:35 UTC2h 45m - -
2026-07-14 A097E9 IAD → AUS Jul 14, 12:40 UTCJul 14, 15:25 UTC2h 45m - -
2026-07-13 A9249C IAD → AUS Jul 13, 18:50 UTCJul 13, 21:35 UTC2h 45m - -
2026-07-12 A49F87 IAD → AUS Jul 12, 12:45 UTCJul 12, 15:45 UTC3h 0m - -
2026-07-11 A52C4F - Jul 11, 21:05 UTCJul 12, 00:15 UTC3h 10m - -
2026-07-11 A52C4F MYR → DEN Jul 11, 20:21 UTCJul 12, 00:13 UTC3h 52m +21m -34m
2026-07-10 A4418C IAD → AUS Jul 10, 12:45 UTCJul 10, 15:35 UTC2h 50m - -
2026-07-09 A2B810 - Jul 9, 12:40 UTCJul 9, 15:30 UTC2h 50m - -
2026-07-08 A81001 IAD → AUS Jul 8, 12:55 UTCJul 8, 15:45 UTC2h 50m - -
2026-07-07 A2B133 IAD → AUS Jul 7, 13:45 UTCJul 7, 16:40 UTC2h 55m - -
2026-07-06 A224FA IAD → AUS Jul 6, 12:50 UTCJul 6, 15:40 UTC2h 50m - -
2026-07-06 A224FA IAD → AUS Jul 6, 12:48 UTCJul 6, 15:42 UTC2h 54m +18m -2m
2026-07-05 A224FA IAD → AUS Jul 5, 13:00 UTCJul 5, 15:55 UTC2h 55m - -
2026-07-04 A5F1CA - Jul 4, 20:10 UTCJul 4, 23:20 UTC3h 10m - -
2026-07-04 A5F1CA MYR → DEN Jul 4, 20:16 UTCJul 4, 23:15 UTC2h 59m +16m +5m
2026-07-03 A1242D - Jul 3, 12:50 UTCJul 3, 15:30 UTC2h 40m - -
2026-07-02 A24CE0 IAD → AUS Jul 2, 12:50 UTCJul 2, 15:40 UTC2h 50m - -

Performance history

Flights tracked
215 showing last 30
Avg arrival delay
-4m
On-time arrival
100% 100% on time
Aircraft used
21

Monthly activity 4 months

Month Flights tracked
July 2026 31
June 2026 44
May 2026 79
April 2026 61

UAL637 frequently asked

Where does flight UAL637 fly?
UAL637 (UAL) flies from IAD to AUS. View the full route page.
How long is flight UAL637?
Based on observed flights, UAL637 takes on average 2h 53m from takeoff to landing.
How often does UAL637 fly?
UAL637 has been observed flying several times a week in our tracking data. We've recorded 215 flights under this callsign.
Is flight UAL637 usually on time?
Across recent flights, UAL637 arrives 4 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL637?
UAL637 has been operated by 21 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL637 live?
Yes. When UAL637 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.