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Route on-time record

IAH to PIB: most on-time flights and the best time to fly

Houston (George Bush Intercontinental Airport) to Moselle (Hattiesburg Laurel Regional Airport). 627 nonstop flights in Jun 2025 to May 2026, 74% arrived within 15 minutes and 1.1% were cancelled. The most reliable flight number was SkyWest 5049 at 8:00 AM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

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IAH → PIB

Houston to Moselle: 627 nonstop flights a year

On time (12 months)

74%

Cancelled

1.1%

avg delay 21 min

Best time to leave

No clear winner

Most reliable airline

SkyWest

73% chance on time

Check IAH to PIB fares

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. #1 · SkyWest 5049 · sold as United Express, Delta Connection, American Eagle or Alaska

    8:00 AM → 9:25 AM1h 25m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    73%

    chance on time

    On time (history)
    74%
    Cancelled
    0.3%
    Avg arrival delay
    21 min
    • Arrived on time 74% of the time (351 flights, Jun 2025 to May 2026).
    • Departs outside IAH's trouble window (noon to 6 PM, when 60% of its 92 ground stops and delay programs started).

    Strong track record · 351 flights

    Find 8:00 AM flight fares Opens this date on Aviasales

  2. #2 · SkyWest 5110 · sold as United Express, Delta Connection, American Eagle or Alaska

    12:57 PM → 2:24 PM1h 27m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    73%

    chance on time

    On time (history)
    74%
    Cancelled
    2.5%
    Avg arrival delay
    19 min
    • Arrived on time 74% of the time (231 flights, Jun 2025 to May 2026).
    • Departs inside IAH's trouble window: 60% of its 92 ground stops and delay programs started between noon and 6 PM.

    Strong track record · 231 flights

    Find 12:57 PM flight fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)73%

    627 flights · 74% on time as flown · 1.1% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

  • Before 9 AM74%

    356 flights · avg delay 21 min

  • Noon to 3 PM74%

    207 flights · avg delay 20 min

  • 3 to 6 PM73%

    57 flights · avg delay 19 min

Best day: Wednesday (81%). Worst: Monday (74%).

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.

J
82
F
77
M
72
A
72
M
67
J
78
J
76
A
80
S
86
O
78
N
84
D
85

What delays this route

  • Airline (crew, maintenance, boarding)52%
  • Late-arriving aircraft23%
  • Severe weather17%
  • Air traffic control and airport volume8%

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

Finding the most reliable connections from IAH to PIB…

IAH to PIB questions

Which airline is most on time from IAH to PIB?
SkyWest, with a season-adjusted 73% chance of operating and arriving on time over 627 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 IAH to PIB?
May (67% on time); the best was September (86%), 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 IAH

Most on-time flights from IAH on every route →

Live status: FAA delays and ground stops