Flight Status & Tracker

S421

S · EAT → MWH · Last tracked Oct 10, 2026

S421 is a flight number operated by between Pangborn Memorial Airport (KEAT) and Grant County International Airport (KMWH). SkyMeter last tracked S421 on October 10, 2026. The flight is most often flown by a AIR TRACTOR Air Tractor AT-802. Typical block time is 1h 10m. SkyMeter has observed 29 legs of this flight number via ADS-B.

SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.

✈
FLIGHTS
29
last 90 days
⏱
AVG DURATION
1h 10m
tracked time
📅
SERVICE PERIOD
6/27/2025 → 10/10/2026
first → last seen
🗺
ROUTES / TYPES
22 / 1
city pairs · airframes
⚠
INCIDENT RATE
6.9%
2 flagged

Routes flown

By count · last 90 days

10
KEAT → KMWH
2
avg 44m · Pangborn → Grant County
WN17 → KEAT
1
avg 7m · Hoverhawk Ranch → Pangborn
K6S8 → KBIL
1
avg 8m · Laurel → Billings Logan
KEPH → KEAT
1
avg 2h 45m · Ephrata → Pangborn
16AR → KMQB
1
avg 2h 10m · Heifer Creek Ranch → Macomb
KEAT → W20
1
avg 18m · Pangborn → Moses Lake
27W → KMWH
1
avg 29m · Lake Wenatchee State → Grant County
MT43 → KLVM
1
avg 2h 9m · Klies Air Strip → Mission Field
K71 → KMKO
1
avg 1h 46m · Lincoln → Muskogee-Davis
27W → KEAT
1
avg 11m · Lake Wenatchee State → Pangborn

Aircraft types

Equipment used on this number

1
AT8T AIR TRACTOR Air Tractor AT-802
36

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
2
Rejected TO
0
Stall warnings
0
Overspeeds
0
Runway excursion
0
Counts represent flights with at least one occurrence of each flag, not the total event count. See /incidents for individual events.

Recent flights

Newest 30 operations of S421

30
N811APAIR TRACTOR Air Tractor AT-802
→
10/10/2026
1h 57m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
10/9/2026
2h 10m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
9/17/2026
5m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
9/17/2026
1h 46m
△ Low approach-stability score
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
9/16/2026
7m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
9/16/2026
8m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
9/16/2026
2h 9m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
9/6/2026
1h 12m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/27/2026
16m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/27/2026
7m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/27/2026
17m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/26/2026
6m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/26/2026
8m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/25/2026
18m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/25/2026
2h 45m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/22/2026
2h 52m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/21/2026
1h 44m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/21/2026
28m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/21/2026
28m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/12/2026
30m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/12/2026
24m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/12/2026
39m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/12/2026
1h 44m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/12/2026
29m
△ Low approach-stability score
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/12/2026
38m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/11/2026
1h 8m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/11/2026
3h 30m
△ Low approach-stability score
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/11/2026
18m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/11/2026
10m
No alerts
Replay Analysis
N811APAIR TRACTOR Air Tractor AT-802
→
8/11/2026
23m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window