Home / Routes / KIAH → KATL5,547 scheduled
IAH ATL1h 41m

The route from George Bush Intercontinental Houston Airport (KIAH) in Houston to Hartsfield Jackson Atlanta International Airport (KATL) in Atlanta. SkyMeter tracks roughly 5,547 scheduled flights on this route across 16 carriers. The most active operator is DAL (DAL). Average block time is 2h 6m. Departures average 33 minutes off schedule, with 52% running more than 15 minutes late. The most common aircraft on this route is the AIRBUS Airbus A321.

Scheduled
5,547
last 431 days
ADS-B observed
1,135
Airlines
16
Avg dep delay
33m
Late >15 min
51.7%
Cancel rate
1.97%

Airlines on this route

11 carriers · scheduled

Delta Air Lines
DAL · DL · 2,537 flights · avg 31m delay · 46.9% late
51 cancelled
United Airlines
UAL · UA · 1,738 flights · avg 33m delay · 59.7% late
31 cancelled
Frontier Airlines
FFT · F9 · 744 flights · avg 41m delay · 59.4% late
11 cancelled
Spirit Airlines
NKS · NK · 488 flights · avg 25m delay · 38.5% late
16 cancelled
Mesa Aviation Services
ASH · YV · 19 flights · avg 35m delay · 31.6% late
Atlas Air
GTI · 5Y · 16 flights · avg —m delay · 0.0% late
Alaska Airlines
ASA · AS · 1 flights · avg 34m delay · 100.0% late
Challenge Airlines
CHG · X7 · 1 flights · avg 44m delay · 100.0% late
Servicios Aereos Across S.a. De C.v
ACW · 1 flights · avg 49m delay · 100.0% late
Global Crossing Airlines
GXA · G6 · 1 flights · avg —m delay · 0.0% late
Gridiron Air
RZN · GI · 1 flights · avg 10m delay · 0.0% late

Recent observed flights

From ADS-B trace data

DAL2890N361NWA320
2026-07-05 21:36  →  2026-07-05 23:32  ·  1h 56m
Replay
DAL1572N357DNA321
2026-07-05 20:18  →  2026-07-05 22:15  ·  1h 56m
Replay
UAL1211N850UAA319
2026-07-05 20:01  →  2026-07-05 21:51  ·  1h 49m
Replay
ASH4079N86334E75L
2026-07-05 17:55  →  2026-07-05 19:43  ·  1h 48m
Replay
DAL1682N376NWA320
2026-07-05 17:36  →  2026-07-05 19:13  ·  1h 36m
Replay
FFT4076N374FRA20N
2026-07-05 16:01  →  2026-07-05 17:54  ·  1h 53m
Replay
DAL1585N313DNA321
2026-07-05 15:10  →  2026-07-05 16:51  ·  1h 40m
Replay
FFT1404N649FRA21N
2026-07-05 14:25  →  2026-07-05 16:00  ·  1h 34m
Replay
DAL644N374NWA320
2026-07-05 13:54  →  2026-07-05 15:33  ·  1h 39m
Replay
UAL1030N4901UA320
2026-07-05 12:27  →  2026-07-05 14:13  ·  1h 45m
Replay

Codeshare partnerships

Marketing carriers selling tickets on this route under their own flight numbers

sells DAL 2104
sells UAL 1673
sells DAL 1658
sells DAL 1540
sells DAL 1529
sells DAL 1445
sells DAL 1318
sells FFT 687
sells DAL 592
sells DAL 495
sells UAL 359
sells UAL 327

Typical aircraft

Observed via ADS-B on this route

AIRBUS Airbus A321
A321
42%
of flights
AIRBUS Airbus A320
A320
15%
of flights
AIRBUS Airbus A321 Neo
A21N
11%
of flights
AIRBUS Airbus A319
A319
6%
of flights
AIRBUS Airbus A320 Neo
A20N
6%
of flights
BOEING Boeing 737-700
B737
4%
of flights
EMBRAER Embraer 175 long wing
E75L
4%
of flights
BOEING Boeing 737-800
B738
3%
of flights

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