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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.

AZO → ORD

Kalamazoo to Chicago: 1,000 nonstop flights a year

On time (12 months)

80%

Cancelled

4.0%

avg delay 16 min

Best time to leave

9 AM to noon

87% on time vs 59% 6 to 9 PM

Most reliable airline

Envoy

77% chance on time

Check AZO to ORD 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 · Envoy 3381 · sold as American Eagle

    6:00 AM → 6:14 AM1h 14m nonstop

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

    84%

    chance on time

    On time (history)
    89%
    Cancelled
    0.0%
    Avg arrival delay
    9 min
    • Arrived on time 89% of the time (44 flights, Jun 2025 to May 2026).
    • Never cancelled in 44 scheduled flights.
    • Short track record (44 flights), so its score leans on the airline's record at this hour.

    Limited track record · 44 flights

    Find 6:00 AM flight fares Opens this date on Aviasales

  2. #2 · Envoy 3469 · sold as American Eagle

    7:00 AM → 7:21 AM1h 21m nonstop

    Local times, typical schedule. Last flown 2026-04-06.

    82%

    chance on time

    On time (history)
    90%
    Cancelled
    3.3%
    Avg arrival delay
    17 min
    • Arrived on time 90% of the time (29 flights, Jun 2025 to May 2026).
    • Cancelled 3.3% of the time (1 of 30).
    • Short track record (29 flights), so its score leans on the airline's record at this hour.

    Limited track record · 29 flights

    Find 7:00 AM flight fares Opens this date on Aviasales

  3. #3 · SkyWest 6207 · sold as United Express, Delta Connection, American Eagle or Alaska

    5:39 AM → 5:50 AM1h 11m nonstop

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

    79%

    chance on time

    On time (history)
    89%
    Cancelled
    10.0%
    Avg arrival delay
    4 min
    • Arrived on time 89% of the time (9 flights, Jun 2025 to May 2026).
    • Short track record (9 flights), so its score leans on the airline's record at this hour.

    Limited track record · 9 flights

    Find 5:39 AM flight fares Opens this date on Aviasales

  4. #4 · SkyWest 6418 · sold as United Express, Delta Connection, American Eagle or Alaska

    3:48 PM → 4:10 PM1h 22m nonstop

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

    77%

    chance on time

    On time (history)
    82%
    Cancelled
    0.0%
    Avg arrival delay
    16 min
    • Arrived on time 82% of the time (11 flights, Jun 2025 to May 2026).
    • Lands inside ORD's trouble window: 44% of its 243 ground stops and delay programs started between 2 PM and 8 PM.
    • Short track record (11 flights), so its score leans on the airline's record at this hour.

    Limited track record · 11 flights

    Find 3:48 PM flight fares Opens this date on Aviasales

  5. #5 · SkyWest 4899 · sold as United Express, Delta Connection, American Eagle or Alaska

    11:52 AM → 12:12 PM1h 20m nonstop

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

    76%

    chance on time

    On time (history)
    82%
    Cancelled
    0.0%
    Avg arrival delay
    26 min
    • Arrived on time 82% of the time (11 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (9 AM to noon: 87% on time; 6 to 9 PM: 59%).
    • 86% of its delay minutes came from the plane arriving late from an earlier flight.
    • Short track record (11 flights), so its score leans on the airline's record at this hour.

    Limited track record · 11 flights

    Find 11:52 AM flight fares Opens this date on Aviasales

  6. #6 · Envoy 3457 · sold as American Eagle

    12:14 PM → 12:32 PM1h 18m nonstop

    Local times, typical schedule. Last flown 2026-05-06. Same departure also flew as Envoy 3634; its record covers all of them.

    74%

    chance on time

    On time (history)
    74%
    Cancelled
    2.4%
    Avg arrival delay
    28 min
    • Arrived on time 74% of the time (82 flights, Jun 2025 to May 2026).

    Moderate track record · 82 flights

    Find 12:14 PM flight fares Opens this date on Aviasales

  7. #7 · Envoy 3962 · sold as American Eagle

    5:57 PM → 6:25 PM1h 28m nonstop

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

    72%

    chance on time

    On time (history)
    74%
    Cancelled
    4.5%
    Avg arrival delay
    15 min
    • Arrived on time 74% of the time (42 flights, Jun 2025 to May 2026).
    • Cancelled 4.5% of the time (2 of 44).
    • Lands inside ORD's trouble window: 44% of its 243 ground stops and delay programs started between 2 PM and 8 PM.
    • 51% of its delay minutes came from the plane arriving late from an earlier flight.

    Limited track record · 42 flights

    Find 5:57 PM flight fares Opens this date on Aviasales

  8. #8 · Envoy 3595 · sold as American Eagle

    7:10 PM → 7:28 PM1h 18m nonstop

    Local times, typical schedule. Last flown 2026-04-06.

    67%

    chance on time

    On time (history)
    69%
    Cancelled
    9.3%
    Avg arrival delay
    19 min
    • Arrived on time 69% of the time (48 flights, Jun 2025 to May 2026).
    • Cancelled 9.3% of the time (5 of 54).
    • Leaves in this route's least on-time window (6 to 9 PM: 59% on time; 9 AM to noon: 87%).
    • Lands inside ORD's trouble window: 44% of its 243 ground stops and delay programs started between 2 PM and 8 PM.

    Limited track record · 48 flights

    Find 7:10 PM flight fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Envoy Air (sold as American Eagle)77%

    963 flights · 80% on time as flown · 4.0% cancel

  • SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)76%

    37 flights · 78% on time as flown · 3.7% cancel

On time by departure time

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

  • Before 9 AM86%

    354 flights · avg delay 11 min

  • 9 AM to noon87%

    209 flights · avg delay 10 min

  • Noon to 3 PM75%

    93 flights · avg delay 26 min

  • 3 to 6 PM75%

    230 flights · avg delay 23 min

  • 6 to 9 PM59%

    114 flights · avg delay 24 min

Best day: Saturday (85%). Worst: Monday (75%).

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