Route on-time record
ABQ to IAH: most on-time flights and the best time to fly
Albuquerque (Albuquerque International Sunport) to Houston (George Bush Intercontinental Airport). 475 nonstop flights in Jun 2025 to May 2026, 91% arrived within 15 minutes and 1.7% were cancelled. The most reliable flight number was United 251 at 8:00 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
ABQ → IAH
Albuquerque to Houston: 475 nonstop flights a year
On time (12 months)
91%
Cancelled
1.7%
avg delay 10 min
Best time to leave
Before 9 AM
93% on time vs 81% noon to 3 PM
Most reliable airline
United
90% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · United 251
8:00 AM → 11:15 AM2h 15m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as United 1691, 402; its record covers all of them.
93%
chance on time
- On time (history)
- 94%
- Cancelled
- 0.9%
- Avg arrival delay
- 6 min
- Arrived on time 94% of the time (215 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 93% on time; Noon to 3 PM: 81%).
Strong track record · 215 flights
Find United 251 fares Opens this date on Aviasales#2 · United 618
11:53 AM → 3:00 PM2h 07m nonstop
Local times, typical schedule. Last flown 2026-03-28.
83%
chance on time
- On time (history)
- 71%
- Cancelled
- 0.0%
- Avg arrival delay
- 42 min
- Arrived on time 71% of the time (21 flights, Jun 2025 to May 2026).
- Lands inside IAH's trouble window: 60% of its 92 ground stops and delay programs started between noon and 6 PM.
- Short track record (21 flights), so its score leans on the airline's record at this hour.
Limited track record · 21 flights
Find United 618 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- United Airlines90%
425 flights · 92% on time as flown · 1.8% cancel
- SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)85%
50 flights · 80% on time as flown · 1.3% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM93%
384 flights · avg delay 7 min
- Noon to 3 PM81%
71 flights · avg delay 19 min
Best day: Wednesday (95%). Worst: Saturday (85%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Airline (crew, maintenance, boarding)50%
- Air traffic control and airport volume41%
- Late-arriving aircraft10%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
ABQ to IAH questions
- What time of day is best to fly ABQ to IAH?
- Before 9 AM: 93% of flights arrived on time, against 81% for departures noon to 3 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
- Which airline is most on time from ABQ to IAH?
- United, with a season-adjusted 90% chance of operating and arriving on time over 425 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on ABQ to IAH?
- May (84% on time); the best was February (96%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from ABQ
- IAH to ABQ (return)
- ABQ to PHX 83%
- ABQ to DEN 82%
- ABQ to DFW 79%
- ABQ to LAX 88%
- ABQ to LAS 83%
- ABQ to DAL 84%
- ABQ to ORD 79%
- ABQ to SLC 94%
- ABQ to ATL 90%
- ABQ to HOU 84%
- ABQ to AUS 81%
- ABQ to SFO 79%
Live status: FAA delays and ground stops