Home / Routes / KIAH → KLAS4,805 scheduled
IAH LAS2h 48m

The route from George Bush Intercontinental Houston Airport (KIAH) in Houston to McCarran International Airport (KLAS) in Las Vegas. SkyMeter tracks roughly 4,805 scheduled flights on this route across 23 carriers. The most active operator is UAL (UAL). Average block time is 2h 55m. Departures average 32 minutes off schedule, with 52% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-900.

Scheduled
4,805
last 536 days
ADS-B observed
642
Airlines
23
Avg dep delay
32m
Late >15 min
52.4%
Cancel rate
0.56%

Airlines on this route

17 carriers · scheduled

United Airlines
UAL · UA · 3,521 flights · avg 31m delay · 57.4% late
11 cancelled
Spirit Airlines
NKS · NK · 653 flights · avg 30m delay · 38.1% late
10 cancelled
Frontier Airlines
FFT · F9 · 552 flights · avg 47m delay · 41.8% late
6 cancelled
Netjets Aviation
EJA · 1I · 42 flights · avg 27m delay · 28.6% late
Concesionaria Vuela Compania De Aviacion S.a. De C.v
VOI · Y4 · 18 flights · avg 10m delay · 0.0% late
Pwr
PWR · 4 flights · avg 10m delay · 0.0% late
Allegiant Air
AAY · G4 · 2 flights · avg 23m delay · 50.0% late
· RKJ · 2 flights · avg 0m delay · 0.0% late
· VJA · 2 flights · avg 0m delay · 0.0% late
Sunset Aviation
TWY · 2 flights · avg 90m delay · 50.0% late
Sunwest Aviation Ltd
CNK · CNK · 1 flights · avg —m delay · 0.0% late
Jet Linx Aviation
JTL · JL · 1 flights · avg 22m delay · 100.0% late
Corporate Flight International Dba Thrive Aviation
TIV · 1 flights · avg 37m delay · 100.0% late
Aerolineas Ejecutivas S.a. De C.v
LET · 1 flights · avg 18m delay · 100.0% late
Flexjet
LXJ · LXJ · 1 flights · avg —m delay · 0.0% late

Recent observed flights

From ADS-B trace data

UAL1971N37408B739
2026-10-19 19:48  →  2026-10-19 22:28  ·  2h 39m
Replay
UAL1524N68807B739
2026-10-19 17:19  →  2026-10-19 20:03  ·  2h 43m
Replay
UAL1799N75432B739
2026-10-19 15:02  →  2026-10-19 17:47  ·  2h 44m
Replay
UAL2406N27270B38M
2026-10-19 00:42  →  2026-10-19 03:29  ·  2h 46m
Replay
UAL1971N31412B739
2026-10-18 20:56  →  2026-10-18 23:38  ·  2h 42m
Replay
FFT4131N368FRA20N
2026-10-18 20:28  →  2026-10-18 23:10  ·  2h 42m
Replay
UAL1524N62849B739
2026-10-18 17:37  →  2026-10-18 20:24  ·  2h 46m
Replay
UAL1799N38403B739
2026-10-18 15:19  →  2026-10-18 18:06  ·  2h 46m
Replay
UAL1264N78438B739
2026-10-18 12:44  →  2026-10-18 15:34  ·  2h 50m
Replay
FFT1489N610FRA21N
2026-10-18 10:05  →  2026-10-18 12:55  ·  2h 49m
Replay

Codeshare partnerships

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

sells UAL 356
sells UAL 347
sells FFT 242
sells UAL 238

Typical aircraft

Observed via ADS-B on this route

BOEING Boeing 737-900
B739
28%
of flights
BOEING Boeing 737 MAX 9
B39M
22%
of flights
BOEING Boeing 737-800
B738
14%
of flights
AIRBUS Airbus A321 Neo
A21N
11%
of flights
BOEING Boeing 737 MAX 8
B38M
10%
of flights
AIRBUS Airbus A320 Neo
A20N
7%
of flights
AIRBUS Airbus A321
A321
3%
of flights
AIRBUS Airbus A320
A320
0%
of flights

Looking for the return flight?

View KLAS → KIAH