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ATIS Alerts Smart Flight Search

Find the flight least likely to be delayed

Beta

We rank real flight numbers by how often they flew and arrived on time over the last 12 months, adjusted for your travel month and departure time, then check nearby airports and calmer connections. US airlines and airports.

EWR → IAH

Newark to Houston: 3,758 nonstop flights a year

On time (12 months)

79%

Cancelled

2.1%

avg delay 17 min

Best time to leave

Before 9 AM

90% on time vs 69% 3 to 6 PM

Most reliable airline

United

78% chance on time

Check EWR to IAH fares

Lowest nonstop fare seen in the next two months: $188 (United 1830 on 2026-11-13). 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 · United 2438

    7:05 AM → 9:50 AM3h 45m nonstop

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

    92%

    chance on time

    On time (history)
    93%
    Cancelled
    0.8%
    Avg arrival delay
    4 min
    • Arrived on time 93% of the time (237 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 90% on time; 3 to 6 PM: 69%).
    • Departs outside EWR's trouble window (1 PM to 7 PM, when 65% of its 259 ground stops and delay programs started).

    Strong track record · 237 flights

    Find United 2438 fares Opens this date on Aviasales

  2. #2 · United 492

    5:35 AM → 8:29 AM3h 55m nonstop

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

    90%

    chance on time

    On time (history)
    91%
    Cancelled
    0.9%
    Avg arrival delay
    7 min
    • Arrived on time 91% of the time (324 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 90% on time; 3 to 6 PM: 69%).
    • Departs outside EWR's trouble window (1 PM to 7 PM, when 65% of its 259 ground stops and delay programs started).

    Strong track record · 324 flights

    Find United 492 fares Opens this date on Aviasales

  3. #3 · United 773

    12:20 PM → 3:22 PM4h 02m nonstop

    Local times, typical schedule. Last flown 2026-05-20. Same departure also flew as United 672; its record covers all of them.

    88%

    chance on time

    On time (history)
    94%
    Cancelled
    0.0%
    Avg arrival delay
    4 min
    • Arrived on time 94% of the time (52 flights, Jun 2025 to May 2026).
    • Never cancelled in 53 scheduled flights.
    • Departs outside EWR's trouble window (1 PM to 7 PM, when 65% of its 259 ground stops and delay programs started).
    • Lands inside IAH's trouble window: 60% of its 92 ground stops and delay programs started between noon and 6 PM.

    Limited track record · 52 flights

    Find United 773 fares Opens this date on Aviasales

  4. #4 · United 573

    7:35 AM → 10:42 AM4h 07m nonstop

    Local times, typical schedule. Last flown 2026-03-28.

    87%

    chance on time

    On time (history)
    91%
    Cancelled
    4.2%
    Avg arrival delay
    8 min
    • Arrived on time 91% of the time (23 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 90% on time; 3 to 6 PM: 69%).
    • Departs outside EWR's trouble window (1 PM to 7 PM, when 65% of its 259 ground stops and delay programs started).
    • Short track record (23 flights), so its score leans on the airline's record at this hour.

    Limited track record · 23 flights

    Find United 573 fares Opens this date on Aviasales

  5. #5 · United 332

    7:50 AM → 10:55 AM4h 05m nonstop

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

    83%

    chance on time

    On time (history)
    87%
    Cancelled
    1.9%
    Avg arrival delay
    10 min
    • Arrived on time 87% of the time (106 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 90% on time; 3 to 6 PM: 69%).
    • Departs outside EWR's trouble window (1 PM to 7 PM, when 65% of its 259 ground stops and delay programs started).

    Moderate track record · 106 flights

    Find United 332 fares Opens this date on Aviasales

  6. #6 · United 2204

    12:30 PM → 3:28 PM3h 58m nonstop

    Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as United 595; its record covers all of them.

    81%

    chance on time

    On time (history)
    82%
    Cancelled
    2.9%
    Avg arrival delay
    18 min
    • Arrived on time 82% of the time (34 flights, Jun 2025 to May 2026).
    • Departs outside EWR's trouble window (1 PM to 7 PM, when 65% of its 259 ground stops and delay programs started).
    • Lands inside IAH's trouble window: 60% of its 92 ground stops and delay programs started between noon and 6 PM.
    • Short track record (34 flights), so its score leans on the airline's record at this hour.

    Limited track record · 34 flights

    Find United 2204 fares Opens this date on Aviasales

  7. #7 · United 2690

    2:11 PM → 5:13 PM4h 02m nonstop

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

    80%

    chance on time

    On time (history)
    83%
    Cancelled
    0.0%
    Avg arrival delay
    10 min
    • Arrived on time 83% of the time (88 flights, Jun 2025 to May 2026).
    • Never cancelled in 88 scheduled flights.
    • Departs inside EWR's trouble window: 65% of its 259 ground stops and delay programs started between 1 PM and 7 PM.
    • Lands inside IAH's trouble window: 60% of its 92 ground stops and delay programs started between noon and 6 PM.

    Moderate track record · 88 flights

    Find United 2690 fares Opens this date on Aviasales

  8. #8 · United 2467

    10:40 AM → 1:40 PM4h 00m nonstop

    Local times, typical schedule. Last flown 2026-05-20.

    80%

    chance on time

    On time (history)
    86%
    Cancelled
    0.0%
    Avg arrival delay
    8 min
    • Arrived on time 86% of the time (21 flights, Jun 2025 to May 2026).
    • Departs outside EWR's trouble window (1 PM to 7 PM, when 65% of its 259 ground stops and delay programs started).
    • 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 2467 fares Opens this date on Aviasales

  9. #9 · United 571

    10:30 AM → 1:35 PM4h 05m nonstop

    Local times, typical schedule. Last flown 2026-04-29.

    79%

    chance on time

    On time (history)
    81%
    Cancelled
    2.0%
    Avg arrival delay
    13 min
    • Arrived on time 81% of the time (296 flights, Jun 2025 to May 2026).
    • Departs outside EWR's trouble window (1 PM to 7 PM, when 65% of its 259 ground stops and delay programs started).
    • Lands inside IAH's trouble window: 60% of its 92 ground stops and delay programs started between noon and 6 PM.

    Strong track record · 296 flights

    Find United 571 fares Opens this date on Aviasales

  10. #10 · United 556

    10:53 AM → 1:38 PM3h 45m nonstop

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

    78%

    chance on time

    On time (history)
    82%
    Cancelled
    0.0%
    Avg arrival delay
    8 min
    • Arrived on time 82% of the time (11 flights, Jun 2025 to May 2026).
    • Departs outside EWR's trouble window (1 PM to 7 PM, when 65% of its 259 ground stops and delay programs started).
    • Lands inside IAH's trouble window: 60% of its 92 ground stops and delay programs started between noon and 6 PM.
    • Short track record (11 flights), so its score leans on the airline's record at this hour.

    Limited track record · 11 flights

    Find United 556 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • United Airlines78%

    3,469 flights · 79% on time as flown · 1.7% cancel

  • Spirit Airlines67%

    289 flights · 69% on time as flown · 5.5% cancel

On time by departure time

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

  • Before 9 AM90%

    962 flights · avg delay 7 min

  • 9 AM to noon78%

    449 flights · avg delay 16 min

  • Noon to 3 PM81%

    806 flights · avg delay 14 min

  • 3 to 6 PM69%

    753 flights · avg delay 27 min

  • 6 to 9 PM72%

    725 flights · avg delay 25 min

Best day: Tuesday (81%). Worst: Saturday (76%).

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