Flight Status & Tracker

DAL640

DELTA AIR LINES INC · SFO → ATL · Last tracked Sep 26, 2026

DAL640 is a flight number operated by DELTA AIR LINES INC between San Francisco International Airport (KSFO) and Hartsfield Jackson Atlanta International Airport (KATL). SkyMeter last tracked DAL640 on September 26, 2026. The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 4h 15m. SkyMeter has observed 91 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
91
last 90 days
⏱
AVG DURATION
4h 15m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/26/2026
first → last seen
🗺
ROUTES / TYPES
10 / 1
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
KSFO → KATL
65
avg 4h 37m · San Francisco → Hartsfield Jackson Atlanta
KHAF → KATL
12
avg 4h 40m · Half Moon Bay → Hartsfield Jackson Atlanta
KSFO → KFTY
1
avg 4h 28m · San Francisco → Fulton County Airport Brown Field
KOAK → KATL
1
avg 4h 25m · Metropolitan Oakland → Hartsfield Jackson Atlanta
KSFO → KDEN
1
avg 2h 29m · San Francisco → Denver

Aircraft types

Equipment used on this number

1
B739 BOEING Boeing 737-900
91

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
0
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 DAL640

30
N941DZBOEING Boeing 737-900
→
9/26/2026
4h 29m
No alerts
Replay Analysis
N887DNBOEING Boeing 737-900
→
9/24/2026
4h 38m
No alerts
Replay Analysis
N930DZBOEING Boeing 737-900
→
9/23/2026
2h 50m
No alerts
Replay Analysis
N930DZBOEING Boeing 737-900
→
9/23/2026
2h 29m
No alerts
Replay Analysis
N813DNBOEING Boeing 737-900
→
9/22/2026
4h 18m
No alerts
Replay Analysis
N860DNBOEING Boeing 737-900
→
9/21/2026
4h 25m
No alerts
Replay Analysis
N806DNBOEING Boeing 737-900
→
9/20/2026
4h 35m
No alerts
Replay Analysis
N913DUBOEING Boeing 737-900
→
9/19/2026
4h 31m
No alerts
Replay Analysis
N887DNBOEING Boeing 737-900
→
9/18/2026
4h 21m
No alerts
Replay Analysis
N855DNBOEING Boeing 737-900
→
9/17/2026
4h 37m
No alerts
Replay Analysis
N949DZBOEING Boeing 737-900
→
9/16/2026
4h 23m
No alerts
Replay Analysis
N927DZBOEING Boeing 737-900
→
9/15/2026
4h 30m
No alerts
Replay Analysis
N837DNBOEING Boeing 737-900
→
9/14/2026
4h 29m
No alerts
Replay Analysis
N890DNBOEING Boeing 737-900
→
9/13/2026
4h 16m
No alerts
Replay Analysis
N849DNBOEING Boeing 737-900
→
9/12/2026
4h 26m
No alerts
Replay Analysis
N811DZBOEING Boeing 737-900
→
9/11/2026
4h 31m
No alerts
Replay Analysis
N821DNBOEING Boeing 737-900
→
9/10/2026
4h 34m
No alerts
Replay Analysis
N863DNBOEING Boeing 737-900
→
9/9/2026
4h 24m
No alerts
Replay Analysis
N811DZBOEING Boeing 737-900
→
9/8/2026
4h 27m
No alerts
Replay Analysis
N921DUBOEING Boeing 737-900
→
9/6/2026
15m
No alerts
Replay Analysis
N921DUBOEING Boeing 737-900
→
9/6/2026
4h 30m
No alerts
Replay Analysis
N859DNBOEING Boeing 737-900
→
9/3/2026
5h 5m
No alerts
Replay Analysis
N898DNBOEING Boeing 737-900
→
9/2/2026
4h 22m
No alerts
Replay Analysis
N846DNBOEING Boeing 737-900
→
9/1/2026
4h 25m
No alerts
Replay Analysis
N911DQBOEING Boeing 737-900
→
8/31/2026
9m
No alerts
Replay Analysis
N911DQBOEING Boeing 737-900
→
8/31/2026
4h 31m
No alerts
Replay Analysis
N952DZBOEING Boeing 737-900
→
8/30/2026
4h 37m
No alerts
Replay Analysis
N852DNBOEING Boeing 737-900
→
8/29/2026
4h 31m
No alerts
Replay Analysis
N926DZBOEING Boeing 737-900
→
8/28/2026
4h 40m
No alerts
Replay Analysis
N959DZBOEING Boeing 737-900
→
8/27/2026
4h 17m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window