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Route on-time record

ORD to DSM: most on-time flights and the best time to fly

Chicago (Chicago O'Hare International Airport) to Des Moines (Des Moines International Airport). 3,419 nonstop flights in Jun 2025 to May 2026, 71% arrived within 15 minutes and 3.4% were cancelled. The most reliable flight number was Envoy 4114 at 12:15 PM.

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

ORD → DSM

Chicago to Des Moines: 3,419 nonstop flights a year

On time (12 months)

71%

Cancelled

3.4%

avg delay 24 min

Best time to leave

Noon to 3 PM

80% on time vs 54% after 9 PM

Most reliable airline

Envoy

73% chance on time

Check ORD to DSM 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 4114 · sold as American Eagle

    12:15 PM → 1:46 PM1h 31m nonstop

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

    83%

    chance on time

    On time (history)
    89%
    Cancelled
    0.0%
    Avg arrival delay
    13 min
    • Arrived on time 89% of the time (44 flights, Jun 2025 to May 2026).
    • Never cancelled in 44 scheduled flights.
    • Leaves in this route's most on-time window (Noon to 3 PM: 80% on time; After 9 PM: 54%).
    • Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).

    Limited track record · 44 flights

    Find 12:15 PM flight fares Opens this date on Aviasales

  2. #2 · Republic 4417 · sold as American Eagle, Delta Connection or United Express

    6:53 AM → 8:26 AM1h 33m nonstop

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

    82%

    chance on time

    On time (history)
    91%
    Cancelled
    0.0%
    Avg arrival delay
    6 min
    • Arrived on time 91% of the time (44 flights, Jun 2025 to May 2026).
    • Never cancelled in 44 scheduled flights.
    • Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
    • Short track record (44 flights), so its score leans on the airline's record at this hour.

    Limited track record · 44 flights

    Find 6:53 AM flight fares Opens this date on Aviasales

  3. #3 · United 1830

    12:57 PM → 2:24 PM1h 27m nonstop

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

    81%

    chance on time

    On time (history)
    82%
    Cancelled
    0.8%
    Avg arrival delay
    14 min
    • Arrived on time 82% of the time (258 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Noon to 3 PM: 80% on time; After 9 PM: 54%).
    • Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
    • 52% of its delay minutes came from the plane arriving late from an earlier flight.

    Strong track record · 258 flights

    Find United 1830 fares Opens this date on Aviasales

  4. #4 · United 723

    9:01 AM → 10:37 AM1h 36m nonstop

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

    78%

    chance on time

    On time (history)
    86%
    Cancelled
    0.0%
    Avg arrival delay
    3 min
    • Arrived on time 86% of the time (21 flights, Jun 2025 to May 2026).
    • Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
    • Short track record (21 flights), so its score leans on the airline's record at this hour.

    Limited track record · 21 flights

    Find United 723 fares Opens this date on Aviasales

  5. #5 · Republic 3478 · sold as American Eagle, Delta Connection or United Express

    10:52 AM → 12:29 PM1h 37m nonstop

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

    78%

    chance on time

    On time (history)
    81%
    Cancelled
    0.0%
    Avg arrival delay
    17 min
    • Arrived on time 81% of the time (32 flights, Jun 2025 to May 2026).
    • Never cancelled in 32 scheduled flights.
    • Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
    • Short track record (32 flights), so its score leans on the airline's record at this hour.

    Limited track record · 32 flights

    Find 10:52 AM flight fares Opens this date on Aviasales

  6. #6 · Envoy 4203 · sold as American Eagle

    2:59 PM → 4:31 PM1h 32m nonstop

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

    77%

    chance on time

    On time (history)
    86%
    Cancelled
    2.3%
    Avg arrival delay
    10 min
    • Arrived on time 86% of the time (42 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Noon to 3 PM: 80% on time; After 9 PM: 54%).
    • Departs inside ORD's trouble window: 44% of its 243 ground stops and delay programs started between 2 PM and 8 PM.
    • 65% of its delay minutes came from the plane arriving late from an earlier flight.

    Limited track record · 42 flights

    Find 2:59 PM flight fares Opens this date on Aviasales

  7. #7 · Republic 4676 · sold as American Eagle, Delta Connection or United Express

    11:40 AM → 1:18 PM1h 38m nonstop

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

    77%

    chance on time

    On time (history)
    91%
    Cancelled
    0.0%
    Avg arrival delay
    5 min
    • Arrived on time 91% of the time (11 flights, Jun 2025 to May 2026).
    • Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
    • Short track record (11 flights), so its score leans on the airline's record at this hour.

    Limited track record · 11 flights

    Find 11:40 AM flight fares Opens this date on Aviasales

  8. #8 · Envoy 3444 · sold as American Eagle

    11:40 AM → 1:05 PM1h 25m nonstop

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

    76%

    chance on time

    On time (history)
    73%
    Cancelled
    0.0%
    Avg arrival delay
    15 min
    • Arrived on time 73% of the time (30 flights, Jun 2025 to May 2026).
    • Never cancelled in 30 scheduled flights.
    • Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
    • 64% of its delay minutes came from the plane arriving late from an earlier flight.

    Limited track record · 30 flights

    Find 11:40 AM flight fares Opens this date on Aviasales

  9. #9 · Republic 3536 · sold as American Eagle, Delta Connection or United Express

    8:50 AM → 10:30 AM1h 40m nonstop

    Local times, typical schedule. Last flown 2026-03-27.

    76%

    chance on time

    On time (history)
    78%
    Cancelled
    5.3%
    Avg arrival delay
    7 min
    • Arrived on time 78% of the time (18 flights, Jun 2025 to May 2026).
    • Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
    • Short track record (18 flights), so its score leans on the airline's record at this hour.

    Limited track record · 18 flights

    Find 8:50 AM flight fares Opens this date on Aviasales

  10. #10 · Envoy 4102 · sold as American Eagle

    5:58 PM → 7:32 PM1h 34m nonstop

    Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Envoy 4121; its record covers all of them.

    74%

    chance on time

    On time (history)
    80%
    Cancelled
    1.8%
    Avg arrival delay
    13 min
    • Arrived on time 80% of the time (54 flights, Jun 2025 to May 2026).
    • Departs inside ORD's trouble window: 44% of its 243 ground stops and delay programs started between 2 PM and 8 PM.
    • Short track record (54 flights), so its score leans on the airline's record at this hour.

    Limited track record · 54 flights

    Find 5:58 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)73%

    442 flights · 76% on time as flown · 2.4% cancel

  • United Airlines71%

    951 flights · 74% on time as flown · 1.8% cancel

  • Republic Airways (sold as American Eagle, Delta Connection or United Express)71%

    561 flights · 74% on time as flown · 4.2% cancel

  • SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)65%

    1,172 flights · 67% on time as flown · 4.5% cancel

  • American Airlines59%

    292 flights · 60% on time as flown · 4.3% cancel

On time by departure time

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

  • Before 9 AM80%

    360 flights · avg delay 16 min

  • 9 AM to noon79%

    727 flights · avg delay 16 min

  • Noon to 3 PM80%

    654 flights · avg delay 18 min

  • 3 to 6 PM64%

    697 flights · avg delay 28 min

  • 6 to 9 PM63%

    580 flights · avg delay 30 min

  • After 9 PM54%

    401 flights · avg delay 42 min

Best day: Tuesday (79%). Worst: Thursday (73%).

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
71
F
81
M
71
A
78
M
75
J
68
J
64
A
71
S
77
O
80
N
81
D
72

What delays this route

  • Late-arriving aircraft43%
  • Airline (crew, maintenance, boarding)28%
  • Air traffic control and airport volume16%
  • Severe weather13%

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

ORD to DSM questions

What time of day is best to fly ORD to DSM?
Noon to 3 PM: 80% of flights arrived on time, against 54% for departures after 9 PM.
Which airline is most on time from ORD to DSM?
Envoy, with a season-adjusted 73% chance of operating and arriving on time over 442 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 ORD to DSM?
July (64% on time); the best was November (81%), 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 ORD

Live status: FAA delays and ground stops