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Route on-time record

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

Nashville (Nashville International Airport) to Chicago (Chicago O'Hare International Airport). 5,034 nonstop flights in Jun 2025 to May 2026, 70% arrived within 15 minutes and 2.6% were cancelled. The most reliable flight number was SkyWest 5741 at 6:00 AM.

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

BNA → ORD

Nashville to Chicago: 5,034 nonstop flights a year

On time (12 months)

70%

Cancelled

2.6%

avg delay 29 min

Best time to leave

9 AM to noon

82% on time vs 53% 6 to 9 PM

Most reliable airline

Southwest

73% chance on time

Check BNA 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 · SkyWest 5741 · sold as United Express, Delta Connection, American Eagle or Alaska

    6:00 AM → 8:00 AM2h 00m nonstop

    Local times, typical schedule. Last flown 2026-04-30.

    86%

    chance on time

    On time (history)
    88%
    Cancelled
    1.7%
    Avg arrival delay
    17 min
    • Arrived on time 88% of the time (286 flights, Jun 2025 to May 2026).
    • Departs outside BNA's trouble window (1 PM to 7 PM, when 64% of its 44 ground stops and delay programs started).

    Strong track record · 286 flights

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

  2. #2 · Republic 3678 · sold as American Eagle, Delta Connection or United Express

    6:00 AM → 8:00 AM2h 00m nonstop

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

    85%

    chance on time

    On time (history)
    100%
    Cancelled
    0.0%
    Avg arrival delay
    2 min
    • Arrived on time 100% of the time (8 flights, Jun 2025 to May 2026).
    • Departs outside BNA's trouble window (1 PM to 7 PM, when 64% of its 44 ground stops and delay programs started).
    • Short track record (8 flights), so its score leans on the airline's record at this hour.

    Limited track record · 8 flights

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

  3. #3 · Envoy 3402 · sold as American Eagle

    5:00 AM → 6:52 AM1h 52m nonstop

    Local times, typical schedule. Last flown 2026-05-20. Same departure also flew as Envoy 4163; its record covers all of them.

    83%

    chance on time

    On time (history)
    90%
    Cancelled
    1.7%
    Avg arrival delay
    24 min
    • Arrived on time 90% of the time (59 flights, Jun 2025 to May 2026).
    • Departs outside BNA's trouble window (1 PM to 7 PM, when 64% of its 44 ground stops and delay programs started).
    • Short track record (59 flights), so its score leans on the airline's record at this hour.

    Limited track record · 59 flights

    Find 5:00 AM flight fares Opens this date on Aviasales

  4. #4 · SkyWest 6458 · sold as United Express, Delta Connection, American Eagle or Alaska

    9:06 AM → 11:05 AM1h 59m nonstop

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

    82%

    chance on time

    On time (history)
    89%
    Cancelled
    0.0%
    Avg arrival delay
    6 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 (9 AM to noon: 82% on time; 6 to 9 PM: 53%).
    • Departs outside BNA's trouble window (1 PM to 7 PM, when 64% of its 44 ground stops and delay programs started).

    Limited track record · 44 flights

    Find 9:06 AM flight fares Opens this date on Aviasales

  5. #5 · Envoy 3487 · sold as American Eagle

    10:24 AM → 12:22 PM1h 58m nonstop

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

    82%

    chance on time

    On time (history)
    91%
    Cancelled
    2.3%
    Avg arrival delay
    7 min
    • Arrived on time 91% of the time (43 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (9 AM to noon: 82% on time; 6 to 9 PM: 53%).
    • Departs outside BNA's trouble window (1 PM to 7 PM, when 64% of its 44 ground stops and delay programs started).
    • Short track record (43 flights), so its score leans on the airline's record at this hour.

    Limited track record · 43 flights

    Find 10:24 AM flight fares Opens this date on Aviasales

  6. #6 · United 424

    6:00 AM → 7:59 AM1h 59m nonstop

    Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as United 1355, 230; its record covers all of them.

    82%

    chance on time

    On time (history)
    84%
    Cancelled
    1.9%
    Avg arrival delay
    12 min
    • Arrived on time 84% of the time (51 flights, Jun 2025 to May 2026).
    • Departs outside BNA's trouble window (1 PM to 7 PM, when 64% of its 44 ground stops and delay programs started).
    • Short track record (51 flights), so its score leans on the airline's record at this hour.

    Limited track record · 51 flights

    Find United 424 fares Opens this date on Aviasales

  7. #7 · United 343

    9:47 AM → 11:48 AM2h 01m nonstop

    Local times, typical schedule. Last flown 2026-05-30. Same departure also flew as United 743; its record covers all of them.

    79%

    chance on time

    On time (history)
    81%
    Cancelled
    3.1%
    Avg arrival delay
    21 min
    • Arrived on time 81% of the time (31 flights, Jun 2025 to May 2026).
    • Cancelled 3.1% of the time (1 of 32).
    • Leaves in this route's most on-time window (9 AM to noon: 82% on time; 6 to 9 PM: 53%).
    • Departs outside BNA's trouble window (1 PM to 7 PM, when 64% of its 44 ground stops and delay programs started).

    Limited track record · 31 flights

    Find United 343 fares Opens this date on Aviasales

  8. #8 · United 564

    10:00 AM → 11:58 AM1h 58m nonstop

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

    78%

    chance on time

    On time (history)
    81%
    Cancelled
    3.7%
    Avg arrival delay
    18 min
    • Arrived on time 81% of the time (26 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (9 AM to noon: 82% on time; 6 to 9 PM: 53%).
    • Departs outside BNA's trouble window (1 PM to 7 PM, when 64% of its 44 ground stops and delay programs started).
    • Short track record (26 flights), so its score leans on the airline's record at this hour.

    Limited track record · 26 flights

    Find United 564 fares Opens this date on Aviasales

  9. #9 · United 1616

    11:32 AM → 1:30 PM1h 58m nonstop

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

    77%

    chance on time

    On time (history)
    81%
    Cancelled
    2.0%
    Avg arrival delay
    13 min
    • Arrived on time 81% of the time (195 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (9 AM to noon: 82% on time; 6 to 9 PM: 53%).
    • Departs outside BNA's trouble window (1 PM to 7 PM, when 64% of its 44 ground stops and delay programs started).

    Moderate track record · 195 flights

    Find United 1616 fares Opens this date on Aviasales

  10. #10 · Republic 3418 · sold as American Eagle, Delta Connection or United Express

    11:15 AM → 1:15 PM2h 00m nonstop

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

    75%

    chance on time

    On time (history)
    78%
    Cancelled
    0.0%
    Avg arrival delay
    12 min
    • Arrived on time 78% of the time (9 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (9 AM to noon: 82% on time; 6 to 9 PM: 53%).
    • Departs outside BNA's trouble window (1 PM to 7 PM, when 64% of its 44 ground stops and delay programs started).
    • Short track record (9 flights), so its score leans on the airline's record at this hour.

    Limited track record · 9 flights

    Find 11:15 AM flight fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Southwest Airlines73%

    365 flights · 75% on time as flown · 1.7% cancel

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

    571 flights · 73% on time as flown · 2.2% cancel

  • United Airlines70%

    1,345 flights · 72% on time as flown · 2.1% cancel

  • Spirit Airlines68%

    36 flights · 67% on time as flown · 2.1% cancel

  • Envoy Air (sold as American Eagle)68%

    748 flights · 71% on time as flown · 3.8% cancel

  • American Airlines65%

    425 flights · 66% on time as flown · 2.2% cancel

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

    1,445 flights · 67% on time as flown · 3.1% cancel

  • Frontier Airlines63%

    96 flights · 61% on time as flown · 2.8% cancel

On time by departure time

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

  • Before 9 AM76%

    1,405 flights · avg delay 29 min

  • 9 AM to noon82%

    1,174 flights · avg delay 14 min

  • Noon to 3 PM70%

    860 flights · avg delay 28 min

  • 3 to 6 PM57%

    1,007 flights · avg delay 42 min

  • 6 to 9 PM53%

    562 flights · avg delay 42 min

Best day: Wednesday (80%). Worst: Sunday (72%).

Smarter routing

Nearby airports that run more on time

  • BNA → MDW 77% chance on time

    Nashville International Airport to Chicago Midway International Airport · 1,908 flights a year · 15 mi from your airports · yours: 68%

    Rank flightsFares

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
77
F
81
M
75
A
78
M
73
J
72
J
66
A
78
S
81
O
79
N
80
D
78

What delays this route

  • Airline (crew, maintenance, boarding)37%
  • Late-arriving aircraft29%
  • Air traffic control and airport volume28%
  • Severe weather6%

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

BNA to ORD questions

What time of day is best to fly BNA to ORD?
9 AM to noon: 82% of flights arrived on time, against 53% for departures 6 to 9 PM.
Which airline is most on time from BNA to ORD?
Southwest, with a season-adjusted 73% chance of operating and arriving on time over 365 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 BNA to ORD?
July (66% on time); the best was September (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 BNA

Live status: FAA delays and ground stops